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Type: Multiple-Choice
Category: Evolution
Level: College
Author: Scheffdaddy
Created: a year ago

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College Evolution

For a given gene in a population, there are two alleles, A and a. The frequency of the dominant homozygote, AA, is 0.50; the frequency of the heterozygote, Aa, is 0.20; and the frequency of the recessive homozygote, aa, is 0.30. What is the frequency of the recessive a allele?
  1. 0.20
  2. 0.40
  3. 0.50
  4. 0.30
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