Consider a Locus with Two Alleles, a and A

question 40

Multiple Choice

Consider a locus with two alleles, A and a. Under which of the following scenarios will the frequency of the A allele increase?

• A)The fitness of AA and Aa individuals are higher than the fitness of aa individuals.
• B) The fitness of heterozygotes is higher than the fitness of either homozygote.
• C) The fitness of heterozygotes is lower than the fitness of either homozygote.
• D) The fitness of aa individuals is higher than the fitness of Aa and A A individuals.

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