Hardy-Weinberg Problems and Post Lab Questions Question 9. If the frequency of a

Question

Hardy-Weinberg Problems and Post Lab Questions Question 9. If the frequency of a dominant allele in a population in equilibrium is 0.35, then the frequency of the corresponding recessive allele in the same population is: List the information given: List the term(s) to find: Question 10. In the Hardy-Weinberg equation, what does the term p2 represent? Question 11. What is the estimated frequency of the dominant allele in a population if the frequency of the homozygous recessive genotype is 0.25? List the information given: List the term(s) to find: Question 12. What is the estimated frequency of the heterozygote genotype ina population if the frequency of the recessive allele is 0.36? List the information given: List the term(s) to find Question 13. What are the estimated allele frequencies in a population if the frequency of the dominant phenotype is 0.64? (Hint: Make sure understand what information you are given.) List the information given: List the term(s) to find

Explanation / Answer

Ans. 9 As per the Hardy Weinberg equation we know we know that

p + q = 1

where p = frequency of dominant allele in a trait

q = frequency of recessive allele in trait

0.35 + q = 1

Hence q = 1 - 0.35

therefore q = 0.65 which means the frequency of recessive allele

Ans 10. The term p2 in hardy weinberg equation represents the frequency of genotypes of dominant homozygous.

Ans 11. Homozygous recessive genotype which means q2 = 0.25

Hence q = 0.5

As per the hardy weinberg equation p + q = 1

Therefore p + 0.5 = 1

Hence p = 0.5

Hence the frequency of dominant allele would be 0.5

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