The most likely reason that subpopulations often vary genetically from one another is that they
A) are subject to stabilizing selection.
B) are subject to different selective pressures.
C) experience a high rate of gene flow.
D) experience different rates of mutation.
E) experience Muller's ratchet.

Question

Quizplus · Accepted Answer

Subpopulations living in different environments may be subject to different selective pressures, resulting in differential survival and reproduction of individuals with certain traits. Over time, this can lead to genetic differences between subpopulations.

The Most Likely Reason That Subpopulations Often Vary Genetically from One