In some instances environmental change causes a situation where one phenotype is favored for a period of time, and then a different phenotype is favored.This oscillating selection causes
A)the maintenance of genetic variation in the population.
B)an increase in point mutations.
C)elimination of rarer genotypes because of uneven selection.
D)extinction of the population.

Question

Quizplus · Accepted Answer

Oscillating selection maintains genetic variation because different phenotypes are favored at different times, preventing any single phenotype from becoming fixed.

In Some Instances Environmental Change Causes a Situation Where One