How do natural selection and sexual selection differ?
A)Natural selection increases the frequency of alleles that contribute to survival, but sexual selection may increase the frequency of alleles that are not beneficial to survival.
B)Natural selection contributes to genetic drift, but sexual selection contributes to gene flow.
C)Natural selection is more random than sexual selection.
D)Natural selection increases the fitness of an allele, but sexual selection increases the dimorphism of an allele.

Question

Quizplus · Accepted Answer

Natural selection favors traits that increase survival and reproductive success, whereas sexual selection favors traits that increase mating success but may not necessarily contribute to survival. Therefore, sexual selection can sometimes result in the spread of alleles that are not beneficial to survival.

How Do Natural Selection and Sexual Selection Differ