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Alleles in Biological Dictionary

VNTR

... show variations in length ... VNTR alleles are hypervariable regions of human DNA that ... for any one VNTR locus, a number of different alleles may exist, each with ... If the fragments of DNA containing the VNTR alleles are to be separated on the ... VNTR . The ...

Multiple alleles

... from Multiple ... In other words, alleles are members of a gene that produce different traits in a ... Multiple alleles | Macmillan Genetics. Multiple alleles summary with 2 pages of encyclopedia entries, ...

Linkage disequilibrium

... disequilibrium is the non-random association of alleles at two or more loci, not necessarily on the same ... a population of certain combinations of linked alleles in That is where linkage disequilibrium ... (LD), defined as non-random association of alleles at two ... 5. Linkage disequilibrium in ...

Incomplete dominance

... n. A heterozygous condition in which both alleles at a gene locus are partially expressed, ... is no dominant allele. ... be expected if the alleles showed incomplete dominance . ... Part of ... phenotypes. ... Incomplete Dominance . • The alleles for curly hair and straight ... incomplete ...

Homozygote

... homozygote n. An organism that has the same alleles at a particular gene locus on homologous ... ... - (genetics) an organism having two identical alleles of a particular ... Encyclopedia article ... inherited ... An organism that has two identical alleles of a gene. ... Homozygote cells are ...

Heterozygous

... ... heterozygous adj. Having different alleles at one or more corresponding chromosomal loci. ... English ... heterozygous - having dissimilar alleles at corresponding chromosomal loci; ... One ... (het-ur-oh-zy-gus) Having two different alleles for a given genetic character. ... ...

Heterozygote

... ( ) n. An organism that has different alleles at a particular gene locus on homologous ... ... are diploid or polyploid and have different alleles at a ... human is referred to as a ... - (genetics) an organism having two different alleles of a ... ... in the heterozygote ... ...

Genetic drift

... due to random sampling and chance: the alleles in offspring are a random sample of those in ... drift is the random change in the frequency of alleles in a population ... 3 Genetic drift and ... In a population model with genetic drift , alleles will eventually become "fixed" ... Genetic ...

Gene frequency

... allele divided by the number of copies of all alleles at the genetic place (locus) in a population. ... due to random sampling and chance: the alleles in offspring are a random sample of those in ... gene frequency of the various alternative alleles ... Britannica online encyclopedia article on ...

Alleles

... of a gene detected as different phenotypes. alleles are now understood to ... In classical ... a relationship between different forms ( alleles ) of a gene at a particular physical location ...e... Brief and Straightforward Guide: What are alleles ? ... For example, the ...

Allele

... of a gene detected as different phenotypes. alleles are now understood to ... In genetics, ... free online English dictionary and encyclopedia. alleles , ... In heterozygous pairings, one allele is ... Human Genome Research Institute. ... Different alleles produce variation in inherited ... This ...

Single locus probe

... , the radioactivity on the ... DNA Forensics Problem Set 2. Problem 5: alleles in a single - locus probe ... individual with a specific single - ... cases (patients ... When a genetic locus is polymorphic, there are alleles for that gene. ... Single Locus Probe : A DNA probe that detects a ...

Polymorphic loci

... polymorphic loci ) ... These primers amplify polymorphic loci , and alleles of different sizes can be observed. ... Many polymorphic loci have ... have tried to ... Therefore, for any polymorphic locus , one of the alleles is from the mother and ... Genetic studies in 5 Greek population ...

Polygenic inheritance

... multifactorial ... Ask A Scientist© Molecular Biology Archive. Multiple alleles and Polygenic Inheritance ... the difference between multiple alleles and polygenic inheritance ? ... In consequence, polygenic ...

Minisatellite

... lead to minisatellite -like ... environmental health issues ... Rare alleles of a minisatellite sequence have been reported to be associated ... ... mapping using the polymerase chain reaction ... HRAS Minisatellite alleles and Cancer Susceptibility. HRAS Mutations in Bladder Cancer ... JN, et al. ...

Independent assortment

... dictionary. ... Law of Independent Assortment speaks of alleles ... Looking at meiosis and how independent assortment of ... ə′sörtmənt ) ( genetics ) In meiosis, the random assortment of the alleles at two or more loci because they are According to the law of ...

Homozygous

... -mə-, hŏm'ə-) adj. ... homozygous adj. Having the same alleles at a particular gene locus on homologous ... a homozygous dominant ... alleles. genes. Definition: Homozygous refers to having identical alleles for a single trait. ... Grullo (grulla) and blue roan quarter horses ...

Haplotype

... genotype'. In genetics, a haplotype is a combination of alleles at multiple loci that are transmitted together on the same chromosome. ... haplotype assotiation by ArtemPankin to ... Four novel defective alleles and comprehensive haplotype analysis of CYP2C9 in Japanese. ... ...

Gene pool

... In population genetics, a gene pool is the complete set of unique alleles in a species or population. gene pool n. The collective genetic ... within a population of sexually reproducing ... gene All of the alleles in one population pools ... The Gene Pool is a Denver based ...

Dominant gene

... , one copy inherited from the mother and the ... As described below, the alleles can be dominant or recessive. ... The genes for round and yellow are dominant over their alleles of wrinkled ... The recessive gene is present in the heterozygote ...

DNA typing

... our facilities utilize the polymerase chain ... for discrimination of alleles is a powerful approach for multiplexed DNA typing . ... The ... Laboratory at UC Davis, California ... A DNA profile, which provides alleles sizes for all ... ...

Complementation

... Mapping. Other ... A complementation analysis asks if two putative alleles 1, when ... In this chapter we are concerned with sentential ... the complementation test. ... But complementation bet ween two alleles of the same gene does not occur. ... Psychology research, ...

Codominance

... abbreviations ... Codominance Situation in which two different alleles for ... codominance is the term used for a gene that has 2 or more ... I prefer the shortest codominance . ... Codominance occurs when two alleles of a gene produce two distinct and detectable gene products. ... ...

Allele frequency

... of copies of a particular allele divided by the number of copies of all alleles at the genetic place (locus) in a population. ... Genetic drift or ... allele ) occurs in a population due to random sampling and chance: the alleles in offspring are a random sample of those in ... In population ...

True-breeding

... dictionary. ... With plants, true breeding occurs when plants produce only ... True - breeding individuals are homozygous, alternate alleles are identical, ... The recessive trait's phenotype only appears in true - breeding (homozygous) individuals ... That is only true if mom ...

Sex chromosome

... in an organism. Most sexual organisms have two sexes. In many cases, sex determination is genetic: males and females have different alleles or even ... The XY sex -determination system is the sex -determination system found in humans, most other mammals, some insects ...

Sex chromosomes

... in an organism. Most sexual organisms have two sexes. In many cases, sex determination is genetic: males and females have different alleles or even ... The XY sex -determination system is the sex -determination system found in humans, most other mammals, some insects ...

Sequence Polymorphism

... sequence . ... ... of high levels of sequence polymorphism in Pacific oysters, Q-PCR amplification ... Sequence polymorphism among alleles in the different families influences the ... The genome sequence . Focus on genes ... In contrast, a polymorphism is a DNA sequence ...

Selection

... In the context of evolution, certain traits or alleles of a species may be subject to selection . Under selection , individuals with advantageous or "adaptive" traits tend to be more ...

Segregating

... are adopting policies that prohibit men from being seated next to children who are not their own, and branding ... Corn Segregating Ear R SU alleles from Carolina™ Biological Supply ... product/life+science/genetics /plant+genetics/corn+ segregati ng +ear+r+su+alleles.do ... A ...

Recombination

... facts, and pictures about recombination at Encyclopedia.com. ... Z. recombination . Home > ... In recombination by crossing over , alleles of ... Genetic recombination is one of several mechanisms leading to the variation ... More technically put, genetic recombination is the ...

Recessive gene

... homozygous state but has its expression masked in the presence of a dominant Open source encyclopedia supplement on Recessive gene ... two alleles at each gene locus. ... It uses material from the Wikipedia article on " Recessive gene " ... Dominant & recessive genes : K-12 ...

Random mating

... ... behind the random - mating model is. are ... Random mating with singly mated females is not equiva ... Random mating means that alleles (as carried by the gametes -- eggs or sperm) ... Situations where the random mating assumption does not hold include: ... NetPets - Your ...

Pure-breeding

... pure breeding over long periods was impossible without inbreeding has its ... Line breeding results in the reduction of the number of alleles ... Goldenseed Official UK distributor the flying dutchmen cannabis seeds, marijuana seeds, ... Perfect for breeding projects due to it's pure ...

Positional cloning

... A genetic screen for new genes is often referred to as forward genetics as opposed to reverse genetics, the term for identifying mutant alleles in genes ... Functional cloning involves using a known gene sequence as a probe to look for new gene sequences that may have ...

Penetrance

... mutation at age 85 ... ... risk is caused by disease loci, which include common, low penetrance alleles. ... Search for low penetrance alleles for colorectal cancer through a scan of 1467 ... A new US study suggests the link between a genetic mutation and the iron overload disorder ...

MutS

... MSH4 physically interacts with von ... hMSH5: a human MutS homologue that forms a novel heterodimer ... Multicopy plasmids carrying mutS alleles that are dominant negative for MMR were ... MutS , on the other hand, binds to most mismatched base pairs, with highest ... Complete ...

Mating type

... ) ( microbiology ) The genetically determined mating behavior characteristic of certain species of microorganisms; only The mating type alleles of T. thermophila are unusual in that they ... Mating type is determined during macronuclear development at conjugation by a ... ...

Linkage equilibrium

... In population genetics, linkage disequilibrium is the non-random association of alleles at two or more loci, not necessarily on the same chromosome. It is not the same as linkage , which describes the association of two or more loci ...

Linkage group

... Genetic linkage occurs when particular genetic loci or alleles for genes are inherited jointly. Genetic loci on the same chromosome are physically connected and tend to stay together during meiosis, and are ...
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