A variety of genotypes and phenotypes in a population is useful because it
A) makes life more interesting.
B) allows the species to survive if the environment changes.
C) means that the gene pool is constant and unchanging.
D) makes genetic drift an unlikely occurrence.
E) will lead to nonrandom mating.

Question

Quizplus · Accepted Answer

A variety of genotypes and phenotypes in a population allows the species to survive if the environment changes. This is because there is a greater chance that some individuals will possess traits or adaptations that are favorable in the new environment, allowing those individuals to survive and reproduce, passing on those beneficial traits to their offspring.

A Variety of Genotypes and Phenotypes in a Population Is