Hardy-Weinberg model

When the allelomorph frequencies in a tribe remain eonian from componentration to generation, the commonwealth is verbalize to be in Hardy-Weinberg resi due where in that location is no evolution. much(prenominal) conditions are when in that location is a rattling bigger population size, no migration, no net profit mutations, random sexual union, and no natural filling. In a very large population, genetic drift, which is the genial in a populations allelomorph frequencies due to chance, can earn genotype frequencies to change oer time. When there is no migration, and gene flow, the transfer of allelomorphs between populations due to the run of individuals or gametes, occur, the absolute absolute frequency of any genotype that is in utmost frequency among the immigrants increase. When there is no net mutations, by ever-changing on allele into another, mutations change the gene pool. When random mating occurs with certain genotypes, thence the random mixing of gametes infallible for Hardy-Weinberg proportion does not occur. When there is no natural selection change in frequencies snow- dust coatthorn occur due to different selection and reproductive success of genotypes and may result in different frequencies than the predicted frequencies by the Hardy-Weinberg equation.

Hardy-Weinberg correspondence is determined by evaluating the allele frequencies for each allele (p and q), frequency of homozygotes (p2 and q2), and the frequency of heterozygotes (2pq); and also the 2 equations, that contend that all alleles articulation to ampere-second% (p+q=1) and that all individuals center of attention to 100% (p2+2pq+q2=1) Below is the bat shown to calculate the frequencies of a rabbit population that consists of 100,000 rabbits of which 25,000 are white and 75,000 are agouti. If 25,000 rabbits are white then 25,000/100,000=q2 So 0.25=q2 Route 0.25=q 0.5=q Since p+q=1 Then 1-q=p So 1-0.5=0.5 Thus p=0.5 And p2=(0.5)(0.5)=0.25 Now we know 2(0.5)(0.5)=2pq p2=homozygous preponderant frequency=0.25 q2=recessive allele frequency=0.25 2pq=heterozygous frequency=0.5 If you extremity to get a full essay, order it on our website: Orderessay

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