Encyclopedia results for Allele

1. Allele
   For the hard rock band, see Allele band . In genetics , an allele is any one of a number of viable DNA ... copies of the gene are identical &mdash that is, have the same allele &mdash is said to be homozygote ..
   
   
   
2. Null allele
   A null allele is an allele with the effect of either absence of the gene product at the molecular level ... if both are present. The allele for O blood type, however, is actually exactly the same as the allele ..
   
   
   
3. Allele frequency
   Allele frequency is a measure of the relative frequency of an allele on a genetic locus in a population . Usually it is expressed as a proportion or a percentage . In population genetics , allele frequencies ..
   
   
   
4. Dominant allele
   mergeto Dominance relationship In genetics , dominant allele refers to a genetic feature that hides the recessive allele . Many traits are determined by pairs of complementary genes, each inherited from ..
   
   
   
5. Allele (band)
   Infobox Band band name Allele image caption years active 2002 &ndash Present origin Jacksonville , Florida ... Hayes musician Kelly Hayes br Wally Wood website http www.allelemusic.com Official site Allele ..
   
   
   
6. Race and multilocus allele clusters
   SNP allele has a frequency of at least 1 see International HapMap Project . The distribution of variants ... reinforced endogamy, and natural selection all have affected allele frequencies in certain populations ..
   
   
   
7. Wild type
   gene s wild type allele s as opposed to induced mutant alleles . Also, arbitrarily designated as the normal allele. Whereas a mutant allele is designated as a mutant allele. genetics stub Category Classical ..
   
   
   
8. Paucimorphism
   A paucimorphism is a genetics genetic sequence variant with a rare allele frequency of 0.0005 q 0.05 http dx.doi.org 10.2174 1389202043349156 . science stub ..
   
   
   
9. Haplo-sufficiency
   Recessive allele alleles any one of a number of viable DNA codings of the same gene typically produce little or no product. One instance of the wild type allele produces sufficient product to result in a dominant ..
   
   
   
10. Dominant alleles
    linkless date August 2006 A Dominant allele is an allele of a gene that, when present in an organism ... as Aa or A a to indicate the presence of a recessive allele form of the gene in the heterozygote ..
    
    
    
11. Genetic hitchhiking
    Genetic hitchhiking is the process by which an evolution arily neutral or in some cases deleterious allele ... allele, increasing the rate of mutation in the surrouding area. A is an allele which is at fixation ..
    
    
    
12. Identity by type
    Allele s have identity by type ibt if they have the same phenotype phenotypic effect . Alleles that are identical ... from the same allele in an earlier generation and those that are non identical by descent nibd because ..
    
    
    
13. Monohybrid
    are usually controlled by different allele s of the same gene. For example, a monohybrid ... because the allele for yellow seeds is dominant to that of green. Category Classical genetics genetics ..
    
    
    
14. Genetic drift
    Genetic drift is the term used in population genetics to refer to the statistical drift over time of allele frequencies allele frequencies in a finite population due to random sampling effects in the formation ..
    
    
    
15. Trinucleotide repeat disorders
    on chromosome 12. The normal DRPLA allele has between 6 and 35 copies of CAG , however, in people with the disorder the allele has between 49 and 88 copies. HD Huntington s disease Caused by the huntingtin ..
    
    
    
16. Homozygote
    A homozygote s cell biology cell s are diploid or polyploid and have the same allele s at a locus genetics ... of the dominant gene dominant allele e.g., AA . A homozygous recessive genotype occurs when a particular ..
    
    
    
17. Coefficient of relationship
    In population genetics , Sewall Wright s coefficient of relationship or relatedness is the probability that at a random locus genetics locus , the allele s there will be identical by descent . See als ...
    
    
    
18. Gene product
    can be correlated with disease causing allele s, such as the overactivity of oncogene s which ..
    
    
    
19. Heterozygote
    An organism is a heterozygote or heterozygous for a gene or trait if it has different allele s at the gene ... s. These different alleles contain different genetic codes. One allele may override the other, or they may ..
    
    
    
20. Directional selection
    In population genetics , directional selection sometimes referred to as positive selection occurs when natural selection favors a single allele and therefore allele frequency continuously shifts in on ...
    
    
    
21. Hemizygote
    Hemizygous describes a diploid individual who has only one allele of a gene or chromosome segment rather ... to a cell or organism whose genome includes only one allele for a given trait. See also Heterozygote ..
    
    
    
22. Genotype frequency
    I think Compare allele frequency . The Hardy Weinberg law predicts genotype frequencies from allele ..
    
    
    
23. Expressivity
    in most instances expressivity is related to an allele or a mutation or more generally a genotype ... many vague definitions and usage is not consistent in the literature. See also Penetrance Allele ..
    
    
    
24. DYS (DNA)
    marker are known as allele s. DYS is often proceeded by the number sign , so the location 455 may ... Genetic genealogy DNA Allele Short tandem repeat Category DNA Category Genetic genealogy ..
    
    
    
25. Genetic Misconceptions
    . A common misconception is that a gene and allele are different entities . Work and research in the fields ... of a dominant allele over a recessive allele in the expressed phenotype is stated as follows ..