The populations of Chihuahua spruce (Picea chihuahuana) have been fragmented due to changing climatic conditions. This has resulted in
A) stabilizing selection.
B) large population sizes.
C) an increase in genetic diversity within populations.
D) genetic drift.
E) All of the choices are correct.

Question

Quizplus · Accepted Answer

The fragmentation of populations due to changing climatic conditions is likely to result in genetic drift, as this is a random process that can cause changes in allele frequencies within populations.

The Populations of Chihuahua Spruce (Picea Chihuahuana) Have Been Fragmented