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1. What are the five assumptions of the Hardy-Weinberg equilibrium? 2. Give the

ID: 40317 • Letter: 1

Question

1. What are the five assumptions of the Hardy-Weinberg equilibrium? 2. Give the equations that Hardy and Weinberg generated and describe what each of the terms denote and the specified functions. 3. The allele y occurs with a frequency of 0.8 in a population of clams. Give the frequency of genotypes YY, Yy, and yy. 4. In a population that is in Hardy-Weinberg equilibrium, the frequency of the homozygous recessive genotype is 0.09. What is the frequency of individuals that are homozygous for the dominant allele?

Explanation / Answer

1. Five assumptions are ...a) Mating is random b) organisms reproduce through only sexual reproduction (c) generations wont overlap (d) Size of the population is infinite (e) No migration, mutation or selection happens in the population

2. The equation is p2 +2pq + q2 = 1. Whare p and q are frequency of allele A and a respectively. p2 is the frequency of homozygous allele AA, q2 is the fequency of homozygous allele aa and 2pq is the frequency of heterozygous Aa genotypes.

3) Frequency of YY = 0.9 , Yy = 16.2 and yy = 0.08

4) Frequency of homozygousdominant allele is 0.97

5) Frequency of homozygous dominant allele is 0.91, homozygous recessive allele is 0.08 and heterozygous allele is 15.33.

6) 1.57%