There are two alleles for a gene in a population, and the frequency of the dominant allele (p) is 0.50. What is the frequency of the recessive allele (q) then?

Name: There are two alleles for a gene in a population, and the frequency of the dominant allele (p) is 0.50. What is the frequency of the recessive allele (q) then?
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Question

Quizplus · Accepted Answer

The sum of the frequencies of the dominant allele (p) and the recessive allele (q) must equal 1. Therefore, q = 1 - p = 1 - 0.50 = 0.50.

There Are Two Alleles for a Gene in a Population