Multiple Choice
An earthquake decimates a ground- squirrel population. The surviving population happens to have broader stripes on average than the initial population. If broadness of stripes is genetically determined, what effect has the ground- squirrel population experienced during the earthquake?
A) gene flow
B) a founder event
C) directional selection
D) a genetic bottleneck
E) disruptive selection
Correct Answer:

Verified
Correct Answer:
Verified
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