Speedy Hippos * A hippo population has alocus with 2 alleles, one fast swimmer a

Question

Speedy Hippos * A hippo population has alocus with 2 alleles, one fast swimmer and the other slow swimmer.Fast swimmer is a dominant allele. * 70% of the gametes producedby the population contain fast swimming allele. 1. What is the frequency of fastswimmer allele in the population? 2. If the population is inHardy-Weinberg equilibrium, what is the frequency of theheterozygous genotype in the population? 3. What is the frequency of the fastswimming phenotype in the population? Must show work for fullcredit! Speedy Hippos * A hippo population has alocus with 2 alleles, one fast swimmer and the other slow swimmer.Fast swimmer is a dominant allele. * 70% of the gametes producedby the population contain fast swimming allele. 1. What is the frequency of fastswimmer allele in the population? 2. If the population is inHardy-Weinberg equilibrium, what is the frequency of theheterozygous genotype in the population? 3. What is the frequency of the fastswimming phenotype in the population? Must show work for fullcredit!

Explanation / Answer

70% of the gametes produced by the population containfast swimming allele. AS we dont know the total population, we take it as 100. The frequency of the fast swimmer allele is 70% i.e. 70/100 =0.7 this is "p" As we know "p", we can find out "q". p + q = 1 q = 1-p = 1-0.7 = 0.3 If the population is in Hardy-Weinberg equilibrium, thefrequency of the heterozygous genotype in the populationis: 2pq = 2 x 0.3 x 0.7 = 0.42 We know "p" so p2 = (0.7)2 = 0.49 q2 = (0.3)2 = 0.09 Therefore, the frequency of the fast swimming phenotype isp2 + 2pq = 0.49+0.42 = 0.91[as fast swimmer isdominant]

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