ARTIKELDIGITAL.COM

An allele (UK: /ˈæliːl, əˈliːl/) is a variant of the sequence of nucleotides at a particular location, or locus, on a DNA molecule. Alleles can differ...

In genetics, dominance is the phenomenon of one variant (allele) of a gene on a chromosome masking or overriding the effect of a different variant of the...

Lethal alleles also known as lethals, are alleles that cause the death of the organism that carries them. They are usually a result of mutations in genes...

Allele frequency, or gene frequency, is the relative frequency of an allele (variant of a gene) at a particular locus in a population, expressed as a...

A null allele is a nonfunctional allele (a variant of a gene) caused by a genetic mutation. Such mutations can cause a complete lack of production of the...

population genetics, a fixed allele is an allele that is the only variant that exists for that gene in a population. A fixed allele is homozygous for all members...

alleles are being passed from past generations to future ones. They also provide a diagram displaying each individual that carries a desired allele,...

change in the frequency of an existing allele in a population due to chance. Genetic drift may cause alleles to disappear completely and thereby reduce...

Allele is an American alternative metal band from Jacksonville, Florida. The band was founded in 2002 by vocalist Wally Wood and former Otep guitarist...

called alleles. While some genes have only one allele because there is low variation, others have only one allele because deviation from that allele can...

Minor allele frequency (MAF) is the frequency at which the second most common allele occurs in a given population. They play a surprising role in heritability...

alleles with paternal alleles. These tables can be used to examine the genotypical outcome probabilities of the offspring of a single trait (allele)...

recessive manner. It is caused by the presence of mutations in both copies (alleles) of the gene encoding the cystic fibrosis transmembrane conductance regulator...

allele as well, which means a spotted cat has an Sp Sp or Sp sp genotype along with at least one Tm allele and at least one A allele at those alleles’...

are called alleles. DNA sequences can change through mutations, producing new alleles. If a mutation occurs within a gene, the new allele may affect the...

The infinite alleles model is a mathematical model for calculating genetic mutations. The Japanese geneticist Motoo Kimura and American geneticist James...

Habibou Allélé (1938 in Niamey - 9/10 December 2016 in Tunis) was a Nigerien politician and diplomat. Habibou Allélé belonged to the ethnic group called...

in which a single copy of the wild-type allele at a locus in heterozygous combination with a variant allele is insufficient to produce the wild-type...

Allele age (or mutation age) is the amount of time elapsed since an allele first appeared due to mutation. Estimating the time at which a certain allele...

Kizuna no Allele (Japanese: 絆のアリル, Hepburn: Kizuna no Ariru) is a Japanese anime television series from Wit Studio and Signal.MD, based on VTuber Kizuna...

genes are highly polymorphic, which means that they have many different alleles, allowing them to fine-tune the adaptive immune system. The proteins encoded...

population genetics, the allele frequency spectrum, sometimes called the site frequency spectrum, is the distribution of the allele frequencies of a given...

and South America. Melanism is caused by a recessive allele in the leopard, and by a dominant allele in the jaguar. In 1788, Jean-Claude Delamétherie described...

used to refer to the alleles or variants an individual carries in a particular gene or genetic location. The number of alleles an individual can have...

When the new allele is created, a heterozygote containing the newly created allele as well as the original will express the new allele; genetically this...

its sequence, leading to different variants, known as alleles, in the population. These alleles encode slightly different versions of a gene, which may...

A pseudodeficiency allele or pseudodeficiency mutation is a mutation that alters the protein product or changes the gene's expression, but without causing...

probability of fixing beneficial alleles and also slightly decreases the probability of fixing deleterious alleles in a population. Inbreeding can result...

this allele to between ~28,000 and ~22,000 years ago. The second most important skin-lightening factor in West Eurasians is the depigmenting allele F374...

or brown pigment). This gene is located on the X chromosome. The orange allele is O, and non-orange is o. Males are typically only orange or non-orange...

as the Hardy–Weinberg equilibrium, model, theorem, or law, states that allele and genotype frequencies in a population will remain constant from generation...

makeup. Such mutative resistance is characterized by the presence of kdr alleles in the insect's genome. Knockdown resistance, first identified and characterized...

In Mendelian inheritance, each parent contributes one of two possible alleles for a trait. If the genotypes of both parents in a genetic cross are known...

of a particular gene (allele) in a given population to a situation where only one of the alleles remains. That is, the allele becomes fixed. In the absence...

mutation, and for a discussion of allele interactions, see dominance relationship. Key: In the following sections, alleles are referred to as +=wildtype,...

Genes of interest have more than one version, or allele. Usually only one or a small number of alleles exist for each gene. In any one gene locus a dog...

one allele dominates the instructions from another, it is called the dominant allele, and the allele that is overridden is called the recessive allele. In...

ABO gene. It happens when the transferase allele contains a mix of amino acids from either A or B alleles, producing a bifunctional enzyme that can produce...

sex-specific patterns of inheritance and presentation when a gene mutation (allele) is present on a sex chromosome (allosome) rather than a non-sex chromosome...

common ancestor or degree of differentiation. Populations with many similar alleles have small genetic distances. This indicates that they are closely related...

TrueAllele is a software program by Cybergenetics that analyzes DNA using statistical methods, a process called probabilistic genotyping. It is used in...

is an interaction between two alleles at a single locus, whereby one allele induces a heritable change in the other allele. The change may be in the pattern...

focuses only on the change in frequency of alleles within populations. The main processes influencing allele frequencies are natural selection, genetic...

orange (O) allele is inactivated express the alternative non-orange (o) allele, determined by the (B) gene. Cells in which the non-orange (o) allele is inactivated...

genes throughout a population by altering the probability that a specific allele will be transmitted to offspring (instead of the Mendelian 50% probability)...

production of the tyrosinase enzyme that produces melanin. The colour point allele is at the C locus, where some forms of typical albinism are also located...

The Allele Frequency Net Database (abbreviated AlFreD) is a database containing the allele frequencies of immune genes and their corresponding alleles in...

Kompetitive allele specific PCR (KASP) is a homogenous, fluorescence-based genotyping variant of polymerase chain reaction. It is based on allele-specific...

associated with FTLD-C9ORF72. The major allele of these SNPs were identified as a risk factor, while the minor allele was found to be protective. Amyotrophic...

of the standard "normal" allele at a locus, in contrast to that produced by a non-standard, "mutant" allele. "Mutant" alleles can vary to a great extent...

Number=A,Type=Float,Description="Allele Frequency"> ##INFO=<ID=AA,Number=1,Type=String,Description="Ancestral Allele"> ##INFO=<ID=DB,Number=0,Type=Flag...

expresses a nonsense point mutant, with expression identical to the original allele. Therefore, in respect to the relationships between the original and mutated...

pattern in a dog's coat and alleles of the PMEL gene. It results in different colors and patterns and can affect any coats. The allele creates mottled patches...

two copies of the same allele of a given gene are called homozygous at that gene locus, while organisms with two different alleles of a given gene are called...

where expression of more than one gene contributes to phenotype (or where alleles of a heterozygous gene both contribute), and the phenotypic expression...

called alleles. Alleles of a gene are simply slightly different versions of the instructions on how to make that gene's protein. The term "allele" is sometimes...

and quantified by the frequency of alleles. Two fundamental calculations are central to population genetics: allele frequencies and genotype frequencies...

reduction of heterozygosity (that is when an organism has two different alleles at a locus) in a population caused by subpopulation structure. Namely,...

defined and still understood as meaning "alternative", and allele A and allele B are not alleles (of each other). The easiest way of talking about these...

dwarfism occurs in individuals homozygous for the dwarf allele (dwdw). Homozygosity for the dwarf allele results in a lethal autosomal recessive mutation. The...

the maternal Ube3a allele is inactive, the paternal allele is intact but epigenetically silenced. If unsilenced, the paternal allele could be a source...

disease, a 4qA allele is also required, and is a common variation in the DNA next to DUX4. The chances of a D4Z4 contraction with a 4qA allele being passed...

recessive allele r); the other gene gives yellow if homozygous for its recessive allele (yy), regardless of the alleles of the red gene. Thus the Y allele is...

repeat (STR) analysis is a common molecular biology method used to compare allele repeats at specific loci in DNA between two or more samples. A short tandem...

alleles in a population that occurs when the rate at which deleterious alleles are created by mutation equals the rate at which deleterious alleles are...

flaky) and mildly odored sweat. The alleles containing a guanine produce a protein that is glycosylated but alleles containing an adenine are not glycosylated...

versions, or alleles give rise to different agglutinogens: the A allele codes for an enzyme that makes the agglutinogen A and similarly the B allele results...

lactase-activity allele (the ancestral allele) from their parents, who may be homozygous or at least heterozygous for the allele. Only one high-activity allele is required...

the alleles for blond hair genes are recessive, people with natural blond hair would become less common as people with dominant non-blond hair alleles had...

pair mutation at a specific locus, usually consisting of two alleles (where the rare allele frequency is > 1%). SNPs are found to be involved in the etiology...

Herbicides (US: /ˈɜːrbɪsaɪdz/, UK: /ˈhɜːr-/), also commonly known as weed killers, are substances used to control undesired plants, also known as weeds...

starring as Luca Ikaruga in The Idolmaster Shiny Colors, Quan in Kizuna no Allele, Ai Kamiyo in Dark Gathering, Nico Wakatsuki in Witch Watch and Elle Rokudō...

designed (and used) in a way that makes it specific for only one version, or allele, of the DNA being tested. The length of the ASO, which strand it is chosen...

of two alleles: C (cytosine) and G (guanine). It is associated with skin tone and hair/eye color. It is a type of missense mutation. C allele homozygosity...

PMID 77067. Allele Query Form IMGT/HLA - European Bioinformatics Institute Middleton, D.; Menchaca, L.; Rood, H.; Komerofsky, R. (2003). "New allele frequency...

multiple high-risk exposures. Individuals heterozygous (+/Δ32) for the mutant allele have a greater than 50% reduction in functional CCR5 receptors on their...

DQ8.1). A multigene haplotype is set of inherited alleles covering several genes, or gene-alleles; common multigene haplotypes are generally the result...

are called alleles. DNA sequences can change through mutations, producing new alleles. If a mutation occurs within a gene, the new allele may affect the...

locus and DQ2 are encoded by the HLA-DQB1*02 allele group. This group currently contains two common alleles, DQB1*0201 and DQB1*0202. HLA-DQ2 and HLA-DQB1*02...

which produces dark shading on any coat color. The other is a specific allele of Agouti linked to a certain type of dark bay, called seal brown. The seal...

incomplete dominant allele with a distinct dosage effect. The DNA sequence responsible for the cream colors is the cream allele, which is at a specific...

method, a population class, a population detail, a publication, a marker, an allele, a chromosome, a base position, a heterozygosity range, or a build number...

ABO locus encodes three alleles, that is, 3 variants of the same gene. One allele is derived from each parent. The A allele produces α-1,3-N-acetylgalactosamine...

genetics. Both of these branches of genetics use the frequencies of different alleles of a gene in breeding populations (gamodemes), and combine them with concepts...

variation within and between species are due to random genetic drift of mutant alleles that are selectively neutral. The theory applies only for evolution at...

The frequency of the HLA-B*5801 allele varies between ethnicities: Han Chinese and Thai populations have HLA-B*5801 allele frequencies of around 8%, as compared...

phenomenon of the gene expression, when only one of the two gene copies (alleles) is actively expressed (transcribed), while the other is silent. Diploid...

hitchhiking, also called genetic draft or the hitchhiking effect, is when an allele changes frequency not because it itself is under natural selection, but...

distinguishing populations from each other is hidden in the correlation structure of allele frequencies, making it possible to classify individuals using mathematical...

Amplified fragment length polymorphism (AFLP-PCR or AFLP) is a PCR-based tool used in genetics research, DNA fingerprinting, and in the practice of genetic...

(which can estimate allele size more properly). SCA7 is caused by pathogenic CAG nucleotide expansion in a gene ATXN7. Normally ATXN7 allele contains 4 to 34...

parasites with allele p can attach themselves to hosts with the allele h, and P to H. Such a situation will lead to cyclic changes in allele frequency –...

copy of the 2 allele and the 4 allele (APOE2,4), have an odds ratio of 2.6. Persons with one copy each of the 2 allele and the 3 allele (APOE2,3) have...

the A allele of the single nucleotide polymorphism rs17822931 in the ABCC11 gene associated with dry-type earwax. The proportion of A alleles (dry-type...

Allelic exclusion is a process by which only one allele of a gene is expressed while the other allele is silenced. This phenomenon is most notable for...

ancestry have at least one ALDH2*2 allele, while it is rare among Europeans and sub-Saharan Africans. The rs671 allele is native to East Asia and most common...

of a recessive trait mimics a dominant pattern. Normally, two recessive alleles need to be inherited (one from each parent) for the recessive trait to...

subscripts indicating the alleles present: M : normal M opsin allele L : normal L opsin allele M*: chimeric (or missing) M opsin allele L*: chimeric (or missing)...

any color, except white, requires the presence of the allele C (color), an autosomic dominant allele that allows the synthesis of pigment in the feathers...

Leucistic white lions owe their colouring to a recessive allele. Note the eyes and lips remain the normal colour. Studies have shown that the reduced pigment...

there were 17 known alleles of agouti in mice. Lethal yellow Ay causes yellow coloration and obesity. It is dominant to all other alleles in the series. When...

variations of alleles that are suited for the environment. Those individuals are more likely to survive to produce offspring bearing that allele. The population...

The Earth Human STR Allele Frequencies Database is a scientific project based on a dynamic web interface and a relational database management system. Its...

Different alleles or gene variants code for differences in the melanin found within the skin. Within some groups are high frequencies of dark skin alleles, while...

There are many alleles within the B*51 allele group. B51 is associated with several diseases, including Behçet's disease. There are 71 alleles, 57 amino acid...

there is significant statistical evidence that one type of the variant (one allele) is more frequent in people with the disease, the variant is said to be...

contain either two copies of the dominant allele (homozygous dominant) or one copy of each dominant and recessive allele (heterozygous dominant). By performing...

A DNA segment is identical by descent (IBD) in two or more individuals if: they have inherited it from a common ancestor without recombination, that is...

known as alleles, and an allele may also be said to reside at a particular locus. Diploid and polyploid cells whose chromosomes have the same allele at a...

Chromosome DNA RNA Genome Heredity Nucleotide Mutation Genetic variation Allele Amino acid Outline Index History and topics Introduction History Evolution...

carrier), is a person or other organism that has inherited a recessive allele for a genetic trait or mutation but usually does not display that trait...

serological reaction of DR10 is relatively good. DR10 serotype or cognate alleles are associated with: Lichen planus DRB1*1001 is associated with ovarian...

14 allele at vWA = .10204 Probability of a Caucasian having a 17 allele at vWA = .26276 Probability of a Caucasian having either a 14 or a 17 allele (P)...

is subdivided into two allele groups, DRB5*01 and DRB5*02. B5*01 encodes 14 alleles and 11 isoforms. B5*02 encoded 4 alleles that can generate 4 isoforms...

differential survival of competing genes, increasing the allele frequency of those alleles whose phenotypic trait effects successfully promote their...

in Europe, particular the isles and Scandinavia. B8 is a component gene-allele of the AH8.1 haplotype in Northern and Western Europeans. Genes between...

AlleleID designs oligos for strain differentiation and taxa specific assays. This aids in bacterial identification, pathogen detection and species identification...

CAG repeats in each of the HTT alleles. Cutoffs are given as follows: At 40 or more CAG repeats, full penetrance allele (FPA) exists. A "positive test"...

Sickle cell trait describes a condition in which a person has one abnormal allele of the hemoglobin beta gene (is heterozygous), but does not display the...

Selfish Gene (1976). A green-beard effect occurs when an allele, or a set of linked alleles, produce three expressed (or phenotypic) effects: a perceptible...

maintains multiple alleles at a certain locus. In detail, any of the several alleles will follow certain dynamics; When a certain allele is high in frequency...

in humans, one allele of the eye-color gene produces blue eyes and another allele of the eye-color gene produces brown eyes. allele frequency The relative...

When a dog has wild-type alleles at all three genes, it will have a yellow coat. When the dog has a loss-of-function allele at MC1R, it will have a yellow...

A resistance gene is any gene producing resistance against an agent. This gene may produce: Drug resistance Antimicrobial resistance Multiple drug resistance...

Chromosome DNA RNA Genome Heredity Nucleotide Mutation Genetic variation Allele Amino acid Outline Index History and topics Introduction History Evolution...

disorder characterized by a lower density of sweat glands. A derived G-allele point mutation (SNP) with pleiotropic effects in EDAR, 370A or rs3827760...

Paleo-Indians had both variants of the EDAR gene, the derived G-allele and the ancestral A-allele. When they[who?] tested ancient DNA remains found in the Americas...

HLA-B15 (B15) is an HLA-B serotype. The serotype identifies the B*15 gene-allele protein products of HLA-B. B15 is a broad antigen and can be subdivided...

Fungicides are pesticides used to kill parasitic fungi or their spores. Fungi can cause serious damage in agriculture, resulting in losses of yield and...

penetrance of potentially deleterious alleles may be influenced by the presence of other alleles, and these other alleles may be located on other chromosomes...

An amorph is a mutated allele that has lost the ability of the parent allele (whether wild type or any other type) to encode any functional protein. An...

inherit all alleles of the gene in question, or incomplete lineage sorting will occur, when one or both daughter species inherits a subset of alleles present...

Pesticide resistance describes the decreased susceptibility of a pest population to a pesticide that was previously effective at controlling the pest....

recombination scrambles alleles into different genotypes every generation; in this case, fitness values can be assigned to alleles by averaging over possible...

The two possible nucleotide variations of this SNP – G or A – are called alleles. SNPs can help explain differences in susceptibility to a wide range of...

linked HLA-DQA1 alleles, to form the cis-haplotype isoforms. There is only one common cis-isoform of DQ8 because the linked DQA1*03 alleles(2) occur over...

(ADP) Ala Alagille syndrome Albino Alcoholism Alkylating agent Allele Allele frequency Alleles Allopolyploid Allosteric protein Allozyme Alternative splicing...

gene product isoforms. HLA-DPA1 Alleles HLA-DPB1 Alleles Before the April 2010 HLA nomenclature update, new HLA-DPB1 allele names were assigned within the...

(GSM) is a model of population genetics that describes how a population's allele frequencies will change when acted upon by natural selection.[better source needed]...

Dominant white (W) is a group of genetically related coat color alleles on the KIT gene of the horse, best known for producing an all-white coat, but...

causes alleles to become fixed in a population. Drift load is the decline in fitness in a population due to the fixation of deleterious alleles. An example...

a different allele of the same gene that produces the short curly hair of the Devon Rex (termed the "re" allele), with the Sphynx's allele being incompletely...

a depigmentation pattern. It is a dominant allele, and thus a horse needs only one copy of the gray allele, that is, heterozygous, to be gray in color...

(number of repeats) among individuals. Each variant acts as an inherited allele, allowing them to be used for personal or parental identification. Their...

inactivated the normal allele. Thus, although inactivation is initially random, cells that inactivate a normal allele (leaving the mutated allele active) will eventually...

locus and DQ5 are encoded by the HLA-DQB1*05 allele group. This group currently contains 4 common alleles, DQB1*0501, *0502, *0503, and *0504. HLA-DQ5...

various genes is inherited from each parent. Each gene can come in several alleles, resulting in the great variety of human skin tones. Melanin controls the...

tissues. Several of these red blood cell surface antigens can stem from one allele (or an alternative version of a gene) and collectively form a blood group...

Alvaro; Sandrini, Fabiano; Da Silva, Cláudia Maria Dornelles (2010). "Allele frequencies of 15 STRs in a representative sample of the Brazilian population"...

systematic difference in allele frequencies between subpopulations. In a randomly mating (or panmictic) population, allele frequencies are expected to...

nonchestnut allele and the dominant roan allele (E and Rn), while the other chromosome contains the recessive chestnut allele and the recessive nonroan allele (e...

Currently there are 7,678 Class I alleles and 2,268 Class II alleles. HLA Naming can be quite confusing at first. All alleles start with "HLA", signifying...

to the fact that dominant advantageous alleles are more likely to fix in the population than recessive alleles. Haldane's sieve is particularly relevant...

known causes of the sabino patterns are the SB-1 allele and several other dominant white (W) alleles on the KIT gene. The genetics behind some types of...

haplotype in Europeans is HLA A3-Cw7-B7-DR15-DQ6.2 which is composed of alleles A*0301:Cw*0701:B*0702:DRB1*1501:DQA1*0102:DQB1*0602. In persistent sarcoidosis...

Bujnicki JM, Shibata H, Fukumaki Y, et al. (June 2012). "Crohn's disease risk alleles on the NOD2 locus have been maintained by natural selection on standing...

recessive lethal alleles are present on two homologous chromosomes. Each of the chromosomes in such a pair carries a different lethal allele, which is compensated...

models with all of the above sources as well as 'Mainland MLBA' fit the allele frequencies of all the LBA individuals from Crete ('Crete LBA'). This also...

HLA-DR17 and HLA-DR18 split 'antigens' serotypes. DR3 is a component gene-allele of the AH8.1 haplotype in Northern and Western Europeans. Genes between...

The domestic cat family demonstrated a cosegregation between the ASIP allele and black coloration of the coat. The cat is an obligate carnivore and has...

form of mosaicism, where some cells express one allele (KB) and other cells express a different allele (ky), a little like tortoiseshell cats. This makes...

than one allele occupies that gene's locus within a population. In addition to having more than one allele at a specific locus, each allele must also...

known alleles, respectively. Many HLA alleles are ancient, sometimes of closer homology to a chimpanzee MHC alleles than to some other human alleles of the...

environments, including genes related to the immune system (such as HLA alleles), skin and hair morphology, and high-altitude adaptation. Conversely, large...

McGinnis & Ewens (1993). The TDT measures the over-transmission of an allele from heterozygous parents to affected offsprings. The n affected offsprings...

research methods, scientists can study the changes in the frequency of an allele occurring in a tiny subset of the population over a single lifetime, the...

HLA-A α-chains. For A68, the alpha "A" chain are encoded by the HLA-A*68 allele group and the β-chain are encoded by B2M locus. A68 and A*68 are almost...

tumors. However, several characterized alleles of EPAS1 contribute to high-altitude adaptation in humans. One such allele, which has been inherited from Denisovan...

There are two different alleles in calico cats, one received from each parent, that can determine their fur coloration: each allele is responsible for either...

glandular epithelia. FUT2 has a dominant allele which codes for an enzyme (designated Se) and a recessive allele which does not produce a functional enzyme...

often to describe the phenotypic expression of different combinations of alleles in different individual organisms within a single population, such as the...

describes the negative epistatic interactions that occur between different alleles (versions) of different genes with a different evolutionary history. These...

HLA-B75 (B75) is an HLA-B serotype. The serotype identifies certain B*15 gene-allele protein products of HLA-B. B75 is one of many split antigens of the broad...

cream to mahogany. The trait is caused by M264V (EM), a completely dominant allele (form) of the melanocortin 1 receptor gene. At minimum, a melanistic mask...

particular class I major histocompatibility complex (MHC) allele group at the HLA-A locus. The A*02 allele group can code for many proteins; as of December 2013...

("l"), but it can be subdivided further. The short (s)- and long (l)- alleles have been thought to be related to stress and psychiatric disorders. In...

Microevolution is the change in allele frequencies that occurs over time within a population. This change is due to four different processes: mutation...

completely homozygotic for an "A" allele, allowing exploitation of a particular resource. Eventually, a polymorphic "a" allele may be introduced into the population...

one defective allele tends to result in milder deficiency than two defective alleles; for example, carriers with an MS (or SS) allele combination usually...

artificial selection on one trait favors one allele, while selection on other traits favors a different allele. Pleiotropic mutations can sometimes be deleterious...

heterozygosity and reduced genetic diversity and loss or fixation of alleles and shifts in allele frequencies. A small population is then more susceptible to demographic...

recessive with other b-locus alleles except b2, else A-R Blue 2 Blue-series colour b+ b2 recessive with other b-locus alleles except b1, else A-R Blue 1-Blue...

products. The DR4 serogroup is large and has a number of moderate frequency alleles spread over large regions of the world. The serological identification...

and for each gene, there are dominant and recessive alleles. Each lamb will receive one allele from each parent of each of the genes shown below. The...

large number of alleles, subsequently making it very difficult to search for a specific gene in which the alleles were present. An allele is considered...

offered can vary significantly from one lab to another, including genes and alleles tested for, phenotype assignment, and any clinical annotations provided...

during night hunting. Typically, adaptive melanism is heritable: A dominant allele, which is entirely or nearly entirely expressed in the phenotype, is responsible...

cats occur because there is a white spotting gene present with a recessive allele of the agouti gene. The agouti gene evens out the striped pattern within...

genetics is the proportion of individuals carrying a particular variant (or allele) of a gene (genotype) that also expresses an associated trait (phenotype)...

A multilocus genotype is the combination of alleles found at two or more loci in a single individual. For example, in a diploid species, if there are...

HLA-B77 (B77) is an HLA-B serotype. The serotype identifies certain B*15 gene-allele protein products of HLA-B. B77 is a split antigen of the broad antigen B15...

mutated allele, but themselves are healthy—can now be reliably identified with a DNA test. Both parents must be carriers of one copy of the LWS allele for...

heterozygosity is the condition of having two or more heterogeneous recessive alleles at a particular locus that can cause genetic disease in a heterozygous...

individuals in a population become homozygous for one allele, that allele is fixed, and any other alleles at that locus are lost from that population by the...

dwarf. False dwarfs have zero alleles for dwarfism out of the two which makes them larger than usual. Peanuts have two alleles for dwarfism, which can only...

is also observed for many alleles that vary from one human group to another. Another observation is that traits or alleles that vary from one group to...

Some genes of interest in LOAD are the APOE gene, specifically the ApoE4 allele, bridging Integrator 1 (BIN1), SORL1, and clusterin (CLU). Neuritic plaques...

heterozygosity excess, (ii) a mode-shift indicator of allele frequencies, and (iii) a ratio of allele number to allele size range. No bottleneck was detected for...

alpha chain. The serotype is positive in individuals who bear the DQA1*01 alleles. The most frequently found within this group are: DQA1*0101, *0102, *0103...

natural selection against deleterious alleles prompted by inbreeding. Purging occurs because deleterious alleles tend to be recessive, which means that...

HLA-B44 (B44) is an HLA-B serotype. The serotype identifies the B*44 gene-allele protein products of HLA-B. B44 is a split antigen of the broad antigen B12...

and exists in several different forms or alleles. The most common APOE alleles are the ε2, ε3, and ε4 alleles, which were discovered to each be associated...

finite population where neutral alleles are produced in step-wise fashion. The original model assumes that if an allele has a mutation that causes it to...

or DRB5 alleles. Thus there is the potential that any given individual can form 4 different HLA-DR isoforms (2 alleles of DRB1 and two alleles from DRB3...

example, suppose a biologist wished to identify whether a hypothetical allele Z, a variant of some gene A, is on the male or female sex chromosome. They...

functional group of CYP2D6 alleles, producing extensive metabolism, while functional alleles represent only around 50% of the allele frequency in populations...

conversion can be either allelic, meaning that one allele of the same gene replaces another allele, or ectopic, meaning that one paralogous DNA sequence...

pair denotes the two allele values for the marker - one value is inherited from each of the subject's parents. If both alleles are the same, then only...

supported by the finding that simultaneous homozygosity and fixation of donor alleles is possible. Wild potato species useful for breeding blight resistance...

A number of potential explanations have been proposed, including that alleles associated with schizophrenia risk confers a fitness advantage in unaffected...

gene in barley, in which monogenic resistance is conferred by recessive alleles. mlo protects barley against nearly all pathovars of powdery mildew. The...

homologous alleles are identical by descent. More simply, it is the probability that an allele selected randomly from an individual, i, and an allele selected...

but some think it is caused by an allele of agouti called At. A DNA test said to detect the seal brown (At) allele was developed, but the test was never...

and efficiently create heritable mutant alleles at loci of interest in the germ line, and ZFN-induced alleles can be propagated in subsequent generations...

populations. It is most common in individuals homozygous for a recessive allele on chromosome 16 that produces an altered version of the MC1R protein. Red...

negative selection or purifying selection is the selective removal of alleles that are deleterious. This can result in stabilising selection through...

centenarians. The serology for the most common DR1 alleles is excellent. The serology for alleles *01:04, *01:06, *01:09, *01:10, *0112, *0115, and *0116...

mutation in one allele along with a RNAse MRP RNA mutation in the other allele, or a combination of two RNAse MRP RNA mutations in both alleles. The fact that...

selection and weak epistasis. Selection under these conditions rapidly changes allele frequencies to a state where they evolve as if in linkage equilibrium. Kimura...

after an asterisk (star) character to form an allele label. The two most well-characterized variant alleles are CYP2C9*2 (NM_000771.3:c.430C>T, p.Arg144Cys...

the dominant SB1 allele at the Sabino 1 locus, which has been mapped to KIT. Sabino-white was one of the earliest dominant white alleles discovered, but...

027. ISSN 0092-8674. PMC 6327247. PMID 30415837. Our finding of no excess allele sharing with non-Native American populations in the ancient samples is also...

These stochastic effects can lead to the unequal amplification of the 2 alleles that come from a heterozygous individual. It is especially important to...

serotype primarily recognizes gene products of the HLA-DRB1*15 and HLA-DRB1*16 allele groups. DR2 serotypes are associated with Goodpasture syndrome, systemic...

some HLA B*40 allele-group gene products B*40 B60 B40 B61 Sample allele % % % size (N) 40:01 93 4 2 3854 B*40 B61 B40 B60 Sample allele % % % size (N)...

diagram). In allele c, there are five repeats in the VNTR, and the probe detects a longer fragment between the two restriction sites. In allele d, there are...

mutation (also present in Belgian Blue), identified as an inactive myostatin allele that causes hypertrophic muscle growth, or double muscling. Purebred Piedmontese...

effects associated with the V370A allele were favored by natural selection to help promote the presence of the allele and thus the emergence of shovel-shaped...

where individuals with two different alleles have a selective advantage over individuals with just one allele. The polymorphism at the human ABO blood...

Allele series for Dutch spotting in rabbits. From left to right: Du (black), du (dark Dutch), du+ (Medium Dutch), duW (White Dutch)....

occurs when alleles from both parents are differently expressed rather than complete expression and complete suppression of one parent's allele. Forms of...

found in the various strains of Merinos. A single gene with three possible alleles controls horn inheritance in Australian Merinos. Poll Merino rams are not...

The two common O alleles, O01 and O02, share their first 261 nucleotides with the group A allele A01. However, unlike the group A allele, a guanosine base...

locus and DQ4 are encoded by the HLA-DQB1*04 allele group. This group currently contains 2 common alleles, DQB1*0401 and DQB1*0402. HLA-DQ4 and HLA-DQB1*04...

increased rate of disease in Ashkenazi Jews. Carriers of a single Tay–Sachs allele are typically normal. It has been hypothesized that being a carrier may...

26%. An allele of the SOD1 gene: SOD1:c.52T has only been found in the Bernese Mountain Dog with 3.5% of Bernese Mountain Dogs having this allele. This...

gain-of-function (GOF) disorders, where the mutant allele causing disease differs from the wild-type allele by a single nucleotide (nt). These types of siRNAs...

by inheritance of a sickle cell allele from one parent and a beta thalassemia allele from the other. A sickle allele is always the same mutation of the...

HLA-B62 (B62) is an HLA-B serotype. The serotype identifies certain B*15 gene-allele protein products of HLA-B. B62 is the largest of many split antigens of...

Chromosome DNA RNA Genome Heredity Nucleotide Mutation Genetic variation Allele Amino acid Outline Index History and topics Introduction History Evolution...

inherits two alleles, one from each parent, that make up the genotype. The observed characteristic, the phenotype, is determined by the dominant allele in the...

be moderated by 'plasticity alleles', of which the 2R and 3R alleles of MAOA are two, with "the more plasticity alleles males (but not females) carried...

represent more than half the HLA alleles of modern Eurasians, indicating strong positive selection for these introgressed alleles. Corinne Simoneti at Vanderbilt...

chemically induced eif4e alleles in tomato. Natural promoter variation can lead to the evolution of recessive disease-resistance alleles. For example, the recessive...

(phenotype frequency of the B*5801 allele in Europeans is typically 3%). One study concluded: "Even when HLA-B alleles behave as strong risk factors, as...

doi:10.1016/j.xhgg.2026.100567. PMC 12860938. McGranahan, Nicholas (2017). "Allele-Specific HLA Loss and Immune Escape in Lung Cancer Evolution". Cell. doi:10...

contains the similar HLA-DR13 antigens. Serotypes are unknown the following alleles: DRB1**1409, *1419 to *1462 DRB1*1402: juvenile rheumatoid arthritis, increased...

substance A) or B antigen (substance B) on their red blood cells, whatever alleles they may have of the A and B blood-group genes, because A antigen and B...

description of the allele frequencies in the components of a sub-divided population. With background allele frequency p the allele frequencies, in sub-populations...

carried the ancestral allele at rs16891982 and the derived allele at rs1426654 (S1 Table). The presence of the rs1426654 light-skin allele, in addition to five...

HLA-A α-chains. For A1, the alpha "A" chain are encoded by the HLA-A*01 allele group and the β-chain are encoded by B2M locus. This group currently is...

blend of both parents (i.e. in modern terms, alleles would blend together to form a completely new allele) The characteristics of the blended offspring...

allele-group gene products B*51 B51 B5 B52 Sample allele % % % size (N) 5101 96 1 5 1899 5102 73 3 6 218 5104 83 17 6 ' B*52 B52 B5 B51 Sample allele...

with the C allele representing a higher risk of AIS rs12544305, with the G allele representing a higher risk of AIS rs9643371, with the T allele representing...

heterozygous for the Clock mutant allele exhibit lengthened circadian periods, while ClockΔ19/Δ19 mice homozygous for the allele become arrhythmic. In both heterozygotes...

Responder (Rsp), where the SD allele of Ran-GAP favors its own transmission only in the presence of a Rspsensitive allele on the homologous chromosome...

have type B. Those with IAIB have type AB. Map of allele IA among native populations Map of allele IB among native populations Map of blood group O among...

origin in southeast Asia into the Plateau, acquiring and fixing adaptive alleles for the high-altitude environment. The forests of Tibet are home to black...

the most investigated SNPs of its gene. The C-allele is the most prevalent with 0.675 against the G-allele with 0.325 among Caucasian. The effect of the...

parental allele in a phenomenon known as imprinting. H19 is only transcribed from the maternally inherited allele; the paternal H19 allele is not expressed...

"sugary enhanced" allele, responsible for so-called "Everlasting Heritage" cultivars, such as 'Kandy Korn'. Cultivars with the se alleles have a longer storage...

HLA-DR serotype that recognizes gene products of HLA-DRB3 locus. Three allele groups can produce 35 isoforms. DRB3, DRB4, and DRB5 are minor DR beta-encoding...

1.149. PMID 17201574. Glenn AL (January 2011). "The other allele: Exploring the long allele of the serotonin transporter gene as a potential risk factor...

and *3 (loss-of-function alleles) are associated with diminished enzyme activity, whereas CYP2C19*17 (gain-of-function allele) results in increased activity...

predominantly contain one allele (referred to as allele 1), while populations in the southeast possess primarily a different allele (allele 2). Populations in...

Alleles which were present but relatively rare in the original population can move to one of two extremes. The most common one is that the allele is...

inbred an individual is. Specifically, it is the probability that two alleles at any locus in an individual are identical by descent from a common ancestor...

each possess one copy of the T allele and one copy of the t allele (each person has two copies of every autosomal allele, a paternal and a maternal one)...

parthenogenetic offspring may have anything between all and half of the mother's alleles. In some types of parthenogenesis, the offspring that have all of the mother's...

000-year-old allele. While it is not yet known exactly what selective advantage is provided by this gene variant, the Haplogroup D allele is thought[by...

that were heterozygous for the Adh allele (one copy of the Adh null allele and one copy of the Adh Wild type allele) gave very similar phenotypical alcohol...

Chile. It was bred to retain the blue-egg gene but eliminate the lethal alleles of the parent breed. There are both standard-sized and bantam versions...

four red blood cell surface glycoprotein antigens which are encoded by alleles of the gene SLC29A1. The protein which acts as the Augustine antigens is...

(2011). "Herders of Indian and European Cattle Share their Predominant Allele for Lactase Persistence". Mol. Biol. Evol. 29 (1): 249–260. doi:10.1093/molbev/msr190...

very similar to the group HLA-DR18. DR17 recognizes the DRB1*0301, *0304 alleles. DR17 is associated with non-chronic sarcoidosis, infantile spasm/epilepsy...

homozygous for deleterious recessive alleles that produce such disorders (see Inbreeding depression). Because most such alleles are rare in populations, it is...

serological typing of DR11 and DR5. Serotypes are unknown the following alleles: DRB1*1110 to *1157 DR11 is associated with grape anaphylaxis, well-differentiated...

actual order of the DYS385 alleles along the Y chromosome, the smaller allele precedes the larger and therefore the allele sequence given here is physically...

originating among Finno-Ugric peoples to high rate of suicide, claiming an allele common among them is responsible. Mari and Udmurts have been found to have...

the ACE for D-allele carriers, hence higher capacity to produce angiotensin II, the blood pressure will increase sooner than for I-allele carriers. This...

dam have inherited the wild type allele. The coat is not lightened. Dd: Either sire or dam have inherited the allele for dilution. However, the dilution...

Homologs have the same genes in the same loci but possibly different alleles, where they provide points along each chromosome that enable a pair of...

of the two loci has one natural (or wild type) allele and one allele that differs from the natural allele because of a mutation. Such an organism can be...

to *0709, and *0711 to *0714 serotypes is unknown. DRB1*0710N is a null allele. DRB1*0702 nomenclature has been deleted. DR7 is positively associated with...

differ in sequence only at the free end; this type of probe is known as an allele-specific oligonucleotide. One of the bead types will correspond to the methylated...

other serotype recognition of some DRB1*13 and DRB1*14 alleles DRB1* DR13 DR6 DR14 Sample allele % % % size (N) 1301 81 14 1 3788 1302 74 17 2 3081 1303...

locus and DQ6 are encoded by the HLA-DQB1*06 allele group. This group currently contains many common alleles, DQB1*0602 is the most common. HLA-DQ6 and...

geneticists, the term has included the avoidance of inbreeding without altering allele frequencies; for example, British-Indian scientist J. B. S. Haldane wrote...

(cremello, perlino, and smoky cream). Thus, if a horse with two cream dilution alleles also carries the dun gene, it also will be cream-colored, with primitive...

all ethnicities. FOP is caused by an autosomal dominant allele on chromosome 2q23-24. The allele has variable expressivity, but complete penetrance. Most...

mutation. It is not the same as an allele because it excludes cases where different mutations give rise to the same allele, and includes descendants that...

genetic disorder is located on the X chromosome, and only one copy of the allele is sufficient to cause the disorder when inherited from a parent who has...

the United States. Genetically, the palomino color is created by a single allele of a dilution gene called the cream gene working on a "red" (chestnut) base...

describes the probabilities associated with counts of how many different alleles are observed a given number of times in the sample. Ewens's sampling formula...

individuals with intermediate or opposite extreme phenotypes. Over time, the allele frequencies, and consequently the population mean for the trait, shift consistently...

and wild rodents, such as the namesake agouti. In dogs, there are four alleles on the agouti locus with the hierarchy of dominance (epistasis): Ay, aw...

associated with its development. The strongest genetic risk factor is from an allele of apolipoprotein E, a protein involved in the metabolism of fats in mammals...

Asians can be traced back to the positive selection for the rs1800414-G allele thought to date back to the Late Palaeolithic period (c. 25–30 kya), following...

are a variety of DTC genetic tests, ranging from tests for breast cancer alleles to mutations linked to cystic fibrosis. Possible benefits of DTC genetic...

the other two loci. Dogs carrying wild-type alleles for MC1R and Agouti, together with the black allele of CBD103, will have a black coat. According...

selection refers to a number of selective processes by which multiple alleles (different versions of a gene) are actively maintained in the gene pool...

formation as mediators of quantitative differences in the expression of alleles". Immunological Reviews. 184: 286–98. doi:10.1034/j.1600-065x.2001.1840125...

favoring the DRD4 7R allele because the bias can be found not only in VNTR motifs of the DRD4 7R allele but also in those of the other alleles", observed by...

the singleness allele is closely linked to a pollen-lethal gene. Thus the pollen (male) contribution to seed is always a doubleness allele, while the female...

origin.[citation needed] R0 (cDe or Dce) is today most common in Africa. The allele was thus often assumed in early blood group analyses to have been typical...

In population genetics, gene flow (also known as migration and allele flow) is the transfer of genetic material from one population to another. If the...

Possessors of the deleterious allele have lower life expectancy, with homozygotes rarely reaching 50 years of age. However, this allele also yields some resistance...

HLA-A α-chains. For A24, the alpha, "A", chain are encoded by the HLA-A*24 allele group and the β-chain are encoded by B2M locus. This group currently is...

by reinforcement of a recessive allele; hence if two mating cheetahs are heterozygous carriers of the mutated allele, a quarter of their offspring can...

HLA-B70 (B70) is an HLA-B serotype. The serotype identifies certain B*15 gene-allele protein products of HLA-B. B70 is one of many split antigens of the broad...

chromosome 6. A multigene haplotype is set of inherited alleles covering several genes, or gene-alleles; common multigene haplotypes are generally the result...

hybridization. Simple hybridization results in a relatively even mixture; gene and allele frequencies in the first generation will be a uniform mix of two parental...

allele. It is intriguing that the missense mutation in the B1 allele is much more disruptive for the protein function than the one in the B2 allele and...

occurs when the black gene has two recessive alleles but the dilution gene has at least one dominant allele (i.e., bbDD, bbDd). The blue Dobermann has the...

this can be selected against once a pair of populations have incompatible alleles of the same gene, as described in the Bateson–Dobzhansky–Muller model....

dark brown or black hair, and dark or dark-to-black skin, with no derived allele for lactase persistence. These features are typical of the Western European...

hatched. It results from the action of a very variable autosomal dominant allele, which is semi-lethal and may display incomplete penetrance as well as incomplete...

better described, they say, as a unit of evolution (the long-term changes in allele frequencies in a population). In The Selfish Gene, Dawkins explains that...

trait), heterosis (hybrid vigour), and other interactions between loci and alleles within the genome. From the Greek ΓΕΝ gen, "gene" (gamma, epsilon, nu,...

Chromosome DNA RNA Genome Heredity Nucleotide Mutation Genetic variation Allele Amino acid Outline Index History and topics Introduction History Evolution...

Vazzrock the Animation Child 2023 Ayakashi Triangle Woman 2023 Kizuna no Allele Friends 2023 Is It Wrong to Try to Pick Up Girls in a Dungeon? Iska Bra...

2021). "Dissecting the role of Amerindian genetic ancestry and the ApoE ε4 allele on Alzheimer disease in an admixed Peruvian population". Neurobiology of...

I-CreI-containing intron encounters a 23S allele lacking the intron, I-CreI enzyme "homes" in on the "intron-minus" allele of 23S and effects its parent intron's...

a homozygous state (which would require the presence of two identical alleles in the cell). The exact targets for LOH are not characterised for all chromosomal...

prevalence of G1 and G2 risk alleles are 40% and 8% respectively. African nations with high frequencies of APOL1 risk alleles also have large populations...

Alleles have identity by type (IBT) when they have the same phenotypic effect or, if applied to a variation in the composition of DNA such as a single...

transplantation. There are four commonly encountered DQA1 alleles: DQA1*0101, *0102, *0103, *0104. These alleles are always found in haplotypes with HLA-DQB1*05...

APOE-4 allele as a significant genetic risk factor for late-onset Alzheimer's disease. Their research demonstrated that individuals carrying this allele had...

shared genetic mechanisms. There may be shared genes in which particular alleles make an individual vulnerable, and varying combinations result in differing...

frequency increase of homozygous deleterious recessive or partially recessive alleles. The hypothesis can be explained by looking at a population that is divided...

term for events that shift an allele frequency upward from zero (mutation is the genetic process that converts one allele to another, whereas introduction...

HLA-B*82 (B*82) is an HLA-B allele-group. There is no current useful serotyping for HLA-B*82 gene products. B*8201 was first identified by sequence analysis...

There are many human leukocyte antigen (HLA) alleles associated with conditions of or affecting the human integumentary system List of allergens List...

genetic disorders are caused by having two "bad" copies of a recessive allele. When the gene is located on an autosome (as opposed to a sex chromosome)...

participate in and where they localize Phenotypes associated with different alleles and genotypes Specific protein modification sites and when they occur Human...

Not all individuals possess scent because the allele for its presence is recessive in relation to the allele for its absence. Flora of North America Wikimedia...

samples from West Africa shared alleles with samples from Southern Africa, and samples from Central Africa shared alleles with samples from Asia. This phenomenon...

allowing XY and YY individuals to develop as males. There are 4 autosomal alleles that intervene in the sex determination system: A recessive autosomal factor...

Danube River in Eastern Europe. It has been suggested that carriers of alleles associated with phenylketonuria (PKU) may have been protected from spontaneous...

different allele lengths and repeat unit sizes, and within different species. If there is a large size difference between individual alleles, then there...

and petechiae. It involves a 1q21 deletion with RMB8A variant on other allele. Presents with symptoms of thrombocytopenia, or a lowered platelet count...

advantageous alleles A and B occur randomly. In sexual reproduction, the two alleles are combined rapidly. But in asexual reproduction, the two alleles must independently...

"dark points", or "black points". Dark points are caused by a recessive allele of agouti found in Normand and Miniature donkeys. The light areas may vary...

to as an allele. Each parent passes on one allele to each offspring. An individual gamete inherits a complete haploid complement of alleles on chromosomes...

HLA-dissimilar alleles playing a factor in the healthiness of romantic relationships. They discovered that as the proportion of HLA-similar alleles increased...

the similar HLA-DR16 antigens. Serotypes are unknown for the following alleles: DRB1*1506, *1508 to *1516, *1518 to *1522. DRB1*1517N is a null. DR15...

of the dominant allele (HH or Hh) at the FOXI3 locus. Coated Xolo are the recessive expression, occurring only when two coated alleles (hh) are present...

autoimmune thyroid disease. Susceptibility alleles are not consistent in Hashimoto's disease. In Caucasians, various alleles are reported to be associated with...

from IMGT/HLA Middleton D, Menchaca L, Rood H, Komerofsky R (2003). "New allele frequency database". Tissue Antigens. 61 (5): 403–7. doi:10.1034/j.1399-0039...

mandatory components of the SNP arrays are: An array containing immobilized allele-specific oligonucleotide (ASO) probes. Fragmented nucleic acid sequences...

also carried high frequencies of the HERC2 allele, and increased frequencies of the SLC45A2 and SLC24A5 alleles. They however harbored less EHG ancestry...

dogs. The study found that 46% were pure dingoes which exhibited no dog alleles (gene expressions). There was evidence of hybridisation in every region...

Stephanie Matijevik, et al. (February 26, 2021). "Apolipoprotein E ε4 Allele-Based Differences in Brain Volumes Are Largely Uniform Across Late Middle...

populations. Kinship is the probability that two alleles will be identical by descent when one allele is taken randomly from each mating individual. The...

found in an individual dated 700-600 BC, and carried the M314 derived allele also found in a Middle Bronze Age individual from Croatia (1631–1531 BC)...

them. Among present-day Europeans, Scythians shared the highest levels of alleles with modern Eastern Baltic (Lithuanian, Estonian) and Northwestern Russian...

Finland documented as early as 2007. It is noted to be caused by a recessive allele at the KIT gene, similar to many other white patterns on cats and other...

bottleneck can change the proportional random distribution of alleles and even lead to loss of alleles. The chances of inbreeding and genetic homogeneity can...

leads to genome-wide homozygosity, expression of deleterious recessive alleles, and often to developmental abnormalities. Both captive-born and wild-born...

wheat. In bread wheat it is encoded by three different alleles, AA, BB, and DD. These alleles can produce slightly different gliadins, which can cause...

exchange of sexual favors helps congeal and localize the assortment of alleles in isolated population and therefore is potentially a very strong force...

HLA-DRB1 gene. DRB1 encodes the most prevalent beta subunit of HLA-DR. DRB1 alleles, especially those encoding amino acid sequence changes at positions 11...

serological typing of DR12 and DR5. Serotypes are unknown the following alleles: DRB1*1204,*1205 to *1207 to *1215 There are only 2 common allels for DRB1*12...

feature of the haplodiploidy system is that recessive lethal and deleterious alleles will be removed from the population rapidly because they will automatically...

Slon B, Hardy JR, Franco M, William L, et al. (August 2015). "CYP2B6*6 allele and age substantially reduce steady-state ketamine clearance in chronic...

secretion odor-binding protein 2, in axillary sweat. The non-functional ABCC11 allele is predominant among East Asians (80–95%), but very low among European and...

homozygous for the normal allele, 40% are heterozygous for the ALDH2*2 allele, and 3% are homozygous for the ALDH2*2 allele. The best-known consequence...

alleles always segregate during meiosis. However, organelle alleles may or may not do this. Nuclear genes are inherited from a combination of alleles...

"Whole genome sequencing of Turkish genomes reveals functional private alleles and impact of genetic interactions with Europe, Asia and Africa". BMC Genomics...

complementation (or dominance), the masking of deleterious recessive alleles by wild-type alleles, as discussed in the articles Heterosis and Complementation (genetics)...

developed. Since the DRD2 1101A allele nulls the effects of the 957T allele, screens for the 957C allele which ignore the 1101A allele can sometimes lead to false...

individual organism gaining a novel beneficial mutation. The other is from allele frequency change in standing genetic variation already present in a population...

signals of "compatibility" between their MHC alleles, with a preference for mates with different alleles than their own, resulting in pairings that would...

analysis produced differing probability figures despite having concordant allele results. Because the relationships of these two mummies with the KV55 mummy...

deletions in the melanocortin 1 receptor gene and inherited through a dominant allele. Black jaguars occur at higher densities in tropical rainforest and are...

horse begins with a black base coat colour, and then the horse also has an allele for one of three basic spotting patterns overlaying the base colour. The...

calculations utilize allele frequencies generated from established population databases most commonly using Short Tandem Repeats. Because allele frequencies can...

(often abbreviated CD-CV) hypothesis predicts that common disease-causing alleles, or variants, will be found in all human populations which manifest a given...

the deleterious allele to manifest the disease. Autosomal recessive diseases, however, require two copies of the deleterious allele for the disease to...

susceptible to the condition. Most SPS patients have the DQB1* 0201 allele. This allele is also associated with type 1 diabetes. SPS is diagnosed by evaluating...

"intermediate to light skin complexion". A 2024 paper found that risk alleles for mood-related phenotypes are enriched in the ancestry of Neolithic farmers...

from the combined discrimination of modern/ancient genome-wide shared alleles and haplotypes: Differentiated demographic history reconstruction of Tai-Kadai...

serotype that recognizes gene products of HLA-DRB4 locus. There are 13 alleles at this locus that encode 7 proteins. DRB3, DRB4, and DRB5 are minor DR...

major occurs when a person inherits two abnormal alleles. This can be either two β+ alleles, two β0 alleles, or one of each. Beta thalassemia major is a severe...

between another HLA-B allele and HLA-B*5101. There are a number of alleles within the B*52 allele group. There are 18 alleles, with 14 amino acid sequence...

drift does not introduce new alleles to a population, but it can reduce variation within a population by removing an allele from the gene pool. Genetic...

meaning that some individuals may have an allele that encodes a functional enzyme, while others have an allele encoding a protein that is predicted to be...

Soltani, N. J.; Golalipour, M (February 2008). "Variation of DAT1 VNTR alleles and genotypes among old ethnic groups in Mesopotamia to the Oxus region"...

"Whole-Genome-Sequence-Based Haplotypes Reveal Single Origin of the Sickle Allele during the Holocene Wet Phase". American Journal of Human Genetics. 102...

1% (though that is far higher than any normal mutation rate for a single allele). Polymorphism crosses several discipline boundaries, including ecology...

the particular allele while keeping the name as short as possible. An HLA name looks something like this: HLA-A*02:01:01:02L All alleles receive at least...

first messenger RNA (mRNA) demethylase that has been identified. Certain alleles of the FTO gene appear to be correlated with obesity in humans. The amino...

resistance alleles – both those for disease and for herbivores. Such alleles can then be introgressed into productive varieties. Rare alleles for this purpose...

PMID 77067. Allele Query Form IMGT/HLA - European Bioinformatics Institute Middleton, D.; Menchaca, L.; Rood, H.; Komerofsky, R. (2003). "New allele frequency...

markers below, the allele symbol is followed by the name of the gene affected and a description of its phenotype. (Note: Recessive alleles are in lower case...

DQ7, DQ8, and DQ9 recognition of Some DRB1*and DQB1* DQ7 DQ3 DQ8 Sample allele % % % size (N) 0301 85 40 1 12220 0304 40 35 8 111 . DQ8 DQ3 DQ7 N 0302...

within the body. In particular, individuals who are homozygous for the G allele at the single nucleotide polymorphism (SNP) rs776746 (also known as CYP3A5...

of the other allele reaches 0. The probability that any allele is fixed is proportional to the frequency of that allele. For two alleles with frequencies...

rs12821256 allele associated with, and likely causal for, blond hair color, making Afontova Gora 3 the earliest individual known to carry this derived allele. The...

cases only. Specifically, individual females must be heterozygous for two alleles of the opsin gene (red and green) located on the same locus of the X chromosome...

is a term coined to indicate novel or normally rare gene variants (or alleles) that are associated with hybrid zones, geographic areas where two related...

new and beneficial alleles within peanut crops. Such high crossability has increased the frequency of several advantageous alleles that have improved...

frequencies are less useful in Southern and Eastern Europe, and there is no B allele that is in strong LD with DR3-DQ2. Therefore, as one moves east and southward...

Interlocus sexual conflict is the interaction of a set of antagonistic alleles at one or more loci in males and females. An example is conflict over mating...

partially dominant. The ineffective homozygous allele works at a rate of about 8% of the normal allele, for it shows a higher Km for NAD+ and has a higher...

particular atypical antipsychotics) also antagonize 5-HT2A receptors. Different alleles of the 5-HT2A receptor have been associated with schizophrenia and other...

variants do exist in human populations, they probably segregate as rare alleles or originate from somatic mutations and present with clinical phenotypes...

single-nucleotide polymorphisms have found around one hundred alleles associated with RA risk. Risk alleles within the HLA (particularly HLA-DRB1) genes harbor...

mane, tail and legs for the presence of black points. There is a proposed allele that darkens a bay coat to seal brown, and the sooty gene is linked to other...

which states both alleles that code for a particular protein must be affected before an effect is manifested. If only one allele for the gene is damaged...

HLA-Cw*16 (Cw*16) is an HLA-C allele-group. The serotype identifies the more common HLA-Cw*16 gene products. This allele group is most commonly found in...

to sun and use sunscreen. The presence of freckles is related to rare alleles of the MC1R gene, though it does not differentiate whether an individual...

observed in the study for higher scores on eros according to the number of A1 alleles, which has previously been associated with lower DRD2 density. (D2 receptors...

research debates whether cheek dimples can be inherited or which type of allele they are, but it is certain that humans with cheek dimples are more likely...

phenotype. KRT71 is a crucial gene for keratinization of the hair follicle. An allele of this gene is also responsible for the hairless (hr) Sphynx and the Devon...

is an autosomal recessive disorder, inherited through variation in both alleles of the gene COL1A2. Dermatosparaxis EDS (dEDS; formerly categorized as...

variant (allele) or, less commonly, the HLA-DQ8 allele. However, about 40% of people without coeliac disease have also inherited either of these alleles. This...

occurrence. Studies of genetic association aim to test whether single-locus alleles or genotype frequencies or more generally, multilocus haplotype frequencies...

frequency of an allele in the total population, σ S 2 {\displaystyle \sigma _{S}^{2}} is the variance in the frequency of the allele among different subpopulations...

meiotic process in such a way as to favor the transmission of one or more alleles over another, regardless of its phenotypic expression. More simply, meiotic...

the maintenance of stored insulin as tightly packaged hexamers. Certain alleles of the SLC30A8 gene may increase the risk for developing type 2 diabetes...

polled versions of dairy breeds. In sheep, the allele for horns in both sexes is partially dominant to the allele for being polled in both sexes, and both of...

been identified. Current genetic tests can identify at least 13 different alleles influencing coat color, and research continues to discover new genes linked...

create novel genotypes more rapidly. Two advantageous alleles A and B occur at random. The two alleles are recombined rapidly in a sexual population (top)...

; Rompler, H.; Caramelli, D.; et al. (2007). "A melanocortin 1 receptor allele suggests varying pigmentation among Neanderthals". Science. 318 (5855):...

mathematical work described fitness as a function of allele frequencies. Here, each dimension describes an allele frequency at a different gene, and goes between...

resistant sheep have a double set of ARR alleles, while sheep with the VRQ allele are the most susceptible. Alleles are named by the single-letter amino acid...

select individuals with disease resistance involves identifying a marker allele that is linked with disease resistance rather than the level of disease...

screen, an ENU-induced male is crossed with a female carrying a mutant allele (a) of the gene of interest (A). If the mutation is dominant, then it will...

other organisms, natural selection in these species does not eliminate "alleles that have early beneficial effects, but later deleterious effects". Antagonistic...

dominance relationship between two alleles. The cross begins with the parental generation. One parent is homozygous for one allele, and the other parent is homozygous...

2005 study, it was found with three alleles: 9, 10 and 12 repeats. A meta-analysis has found that the 12 repeat allele of the STin2 VNTR polymorphism had...

However, in general, the expression of any one allele depends in a complicated way on many other alleles. In classical genetics, if genes A and B are mutated...

DQB1*02:01, and DRB1*03:01 alleles were identified as risk factors, while DQA1*02:01, DQA1*03:01 and DQB1*05:01 alleles were found to be protective factors...

showcasing exotic animals. Their rarity could be because the recessive allele is the result of a one-time mutation, or because white tigers lack adequate...

linked to the presence of the methionine codon at position 129 of the mutant allele, whereas fCJD is linked to the presence of the valine codon at that position...

recombination event with a spontaneous correction of a mutant, pathogenic allele. In revertant mosaicism, the healthy tissue formed by mitotic recombination...

transfusion medicine. 99.8% of people possess the Co(a) allele. Individuals with Co(b) allele or who are missing the Colton antigen are at risk for a...

pheromone receptor; this depends on mating type a or b, as determined by alleles at two unlinked mating loci. If this signaling is successful, they then...

each protein type can be encoded by several loci and several different alleles for each loci can be found in different genomes, allowing a great number...

terminology help see: HLA-serotype tutorial) B*55:03 is one of the four B alleles that reacts with neither Bw4 nor Bw6. The others are B*18:06, B*46:01,...

Health and Performance at University College London. He discovered that an allele of the gene with the DNA code for angiotensin-converting enzyme (ACE) influences...

Kizuna no Allele Title, 2023 TV Premiere". Anime News Network. Retrieved 11 November 2022. Hodgkins, Crystalyn (24 February 2023). "Kizuna no Allele Anime...

IMGT/HLA Middleton, D.; Menchaca, L.; Rood, H.; Komerofsky, R. (2003). "New allele frequency database: http://www.allelefrequencies.net". Tissue Antigens....

handicap thus proves that the rest of his genes are "good alleles". If males with "bad alleles" could not survive the handicap, females may evolve to choose...

Jakobsson M (April 2020). "The genetic variation of lactase persistence alleles in northeast Africa". bioRxiv 10.1101/2020.04.23.057356. McDonald JH (16...

consistent finding is the association between higher risk of MS and the MHC allele DR15, which is present in 30% of the U.S. and Northern European population...

HLA DQB1*06:02 is an allele of the human leukocyte antigen class II gene that is strongly associated with an increased risk of developing type 1 narcolepsy...

sequencing. HLA-B81 corresponds to a single allele B*8101. There are no characterized haplotypes of this allele that span multiple regions, though rare haplotypes...

pre-therapy screening for the HLA-B*5701 allele and the use of alternative therapy in subjects with this allele. Additionally, both the Clinical Pharmacogenetics...

organism. It is "the authoritative source of official names for mouse genes, alleles, and strains", which follow the guidelines established by the International...

correlations between Egyptian Muslims and Egyptian Christians analyzed allele frequencies across nine autosomal STR loci (D3S1358, VWA, FGA, THO1, TPOX...

caused by an allele that is found at the same locus as the allele that causes albinism. It is thought, but not proven, that the allele is inherited in...

"red", is caused by one of two recessive alleles at the extension locus (genetics). Extension has three known alleles: the wildtype "E", necessary for the...

fitness between years. To determine if a bet hedging allele is favored, the long-term fitness of each allele must be compared. Particularly in highly variable...

prevalence rates for H63D, C282Y and S65C (minor allele frequencies) are 10%, 3% and 1% respectively. The C282Y allele is a transition point mutation from guanine...

leukocyte antigen gene-variant (allele), HLA-B*1502. Odds ratios for the development of SJS or TEN in people who carry the allele can be in the double, triple...

occasionally in fruit flies Drosophila melanogaster carrying a specific mutant allele. It has also been induced in many crops and fish via irradiation of an egg...

Chromosome DNA RNA Genome Heredity Nucleotide Mutation Genetic variation Allele Amino acid Fields Classical Conservation Cytogenetics Ecological Immunogenetics...

Chromosome DNA RNA Genome Heredity Nucleotide Mutation Genetic variation Allele Amino acid Outline Index History and topics Introduction History Evolution...

together with migration among populations, using the allele frequency spectrum, describing how often alleles are rare versus common. Yet another approach exploits...

The Blue mutation is recessive to its wild-type allele, so a bird possessing a single Blue allele (the heterozygote) is identical in appearance to the...

the GYS1 gene. Morgans are one of over a dozen breeds found to have the allele for the condition, though its prevalence in Morgans appears to be quite...

A paucimorphism is a genetic sequence variant with a allele frequency of 0.0005<q<0.05. Day, Ian N. M.; Alharbi, Khalid K.; Smith, Matt; Aldahmesh, Mohammed...

to West Asians than to other North Africans and Africans in general. An allele frequency comparative study led by the Egyptian Army Major General Doctor...

carriers of the allele, because the trait is recessive. Male offspring of these women have a 50% chance of inheriting their mother's mutant allele. A patient...

This mutation may be a dominant gene, in that even one copy of the mutated allele will produce gaitedness. However, some representatives of these breeds may...

HLA-A α-chains. For A29, the alpha "A" chain are encoded by the HLA-A*29 allele group and the β-chain are encoded by B2M locus. This group currently is...

the allele frequency. Fisher made no restrictive assumptions in his formula concerning fitness parameters, mate choices or the number of alleles and loci...

known for voicing Airi Yamamoto in Back Street Girls, Noelle in Kizuna no Allele, Nanao Hibiya in Reign of the Seven Spellblades, Cy in Sacrificial Princess...

bound peptide 2h6p​ major histocompatibility complex (human), class I, B35 Alleles B*3501, 3502, 3503, . . . Structure (See HLA-B) Symbol(s) HLA-B 2fyy​,...

from vasodilation of the blood vessels. Individuals that have the ALDH2*2 allele, a variant that has a mutation when compared to the wild-type ALDH2 isozyme...

White birds should not be used in sex-linked crosses because white colour allele is sometimes dominant and sometimes recessive. A red sex-link rooster A...

with allele frequencies for all ethnic groups NHLBI-ESP: from 6500 exomes, use three population groupings gnomAD allele frequency: with allele frequencies...

evidence for adaptive introgression of e.g. immunity alleles, skin pigmentation alleles and alleles conferring adaptation to high altitude environments...

in skin pigmentation. The SLC24A5 gene's derived threonine or Ala111Thr allele (rs1426654) has been shown to be a major factor in the light skin tone of...

haemoglobin beta allele) have sickle-cell anaemia, while those who are heterozygous (with one abnormal allele and one normal allele) experience resistance...

of zinc endopeptidases. There are several alleles of the gene which creates Kell protein. Two such alleles, K1 (Kell) and K2 (Cellano), are the most common...

HLA-A α-chains. For A34, the alpha "A" chain are encoded by the HLA-A*34 allele group and the β-chain are encoded by B2M locus. A34 and A*34 are almost...

metabolism of the fruit. This trait is physically close to the desired allele along the chromosome. Breeding for traits like larger fruit has thus unintentionally...

between different DNA alleles. In a mixture of wild-type and mutant amplified DNA, heteroduplexes are formed in mutant alleles and homoduplexes are formed...

A haplotype is a group of alleles in an organism that are inherited together from a single parent, and a haplogroup (haploid from the Greek: ἁπλοῦς, haploûs...

in Aging Cell reports that the exceptional-longevity-associated APOE ε2 allele is associated with enhanced DNA-damage response and repair pathways in human...

in certain cases use different nomenclatures to designate the same Y-STR allele. Thus, a conversion must be applied in these cases to accurately compare...

chaos when some individuals' fitnesses become very low at intermediate allele frequencies. The first explicit statement of frequency-dependent selection...

also have hereditary retinal degeneration due to a mutation in the rdAc allele. This mutation is also seen in Abyssinians, Siamese cats, and other related...

Coalescent theory is a model of how alleles sampled from a population may have originated from a common ancestor. In the simplest case, coalescent theory...

means they have two identical alleles present for this unique gene. Research indicates the presence of the myostatin allele mutation produces morphological...

gene-allele protein products of HLA-B. B63 is one of many split antigens of the broad antigen, B15. B63 identifies the B*1516 and B*1517 allele products...

Pérez-Hernández N, Alvarez-Leon E, Reyes P, Vargas-Alarcón G (2003). "MHC class II alleles in Mexican patients with rheumatic heart disease". Int J Cardiol. 92 (1):...

analysis has revealed that the oldest fossil known to carry the derived KITLG allele, which is responsible for blond hair in modern Europeans, is a 17,000 year...

pigment and the horse is some shade of red. The functional, dominant allele (or alleles) of the agouti gene (labeled "A") enable the horse to restrict black...

acting careers, starring as Mina in Idol Bu Show and as Ellie in Kizuna no Allele. Haruka Yoshiki, a native of Sendai, was born on 1 July 1998. She was originally...

fitness, which governs the rate of evolution as measured by changes in allele frequencies. Often, two or more species co-adapt and co-evolve as they develop...

1.67-fold greater risk of obesity compared with those without the risk allele. The differences in BMI between people that are due to genetics varies depending...

genotype would be obvious; either AA if all nucleotides match allele A, BB if they match allele B, or AB if there is a mixture. However, when working with...

and second cousins respectively. Irrespective of marriage preferences, alleles that are rare in large populations can randomly increase to high frequency...

The champagne gene is a simple dominant allele responsible for a number of rare horse coat colors. The most distinctive traits of horses with the champagne...

effect of the alleles and the degree to which alleles are expressed in heterozygotes. Overdominance hypothesis. Certain combinations of alleles that can be...

indigenous peoples and Northern Eurasians. B*4801 is part of a group of alleles including B*4201 that share Intron 1 sequence with B*0702, which is common...