An allele can increase in frequency in a population if
A) on average, individuals in the population that have the allele have higher reproductive success than individuals with other alleles.
B) the allele causes behaviors that result in other individuals in the population that carry the allele having higher reproductive success.
C) the allele increases longevity, but the average lifetime reproductive success is lower for individuals that have the allele than for individuals with alternative alleles.
D) a and b
E) a, b and c

Question

Quizplus · Accepted Answer

Alleles can increase in frequency within a population if they confer a reproductive advantage either directly (A) or indirectly by influencing behaviors that enhance the reproductive success of others carrying the same allele (B). Longevity without higher reproductive success (C) does not contribute to an allele's increase in frequency.

An Allele Can Increase in Frequency in a Population If