No permanent change in a population occurs unless there is/are
A) polyploidy.
B) inheritable variation.
C) mutator genes present.
D) introgression.
E) absence of dominance in at least one generation.

Question

Quizplus · Accepted Answer

Inheritable variation is essential for any permanent change in a population because it provides the raw material for natural selection to act upon. Without variation that can be passed from one generation to the next, evolution cannot occur.

No Permanent Change in a Population Occurs Unless There Is/are