Multiple Choice
The figure shows the genealogies for two different genes. Which of the following is a reasonable explanation for the observed difference?
A) The gene in A is neutral. The gene in B experienced balancing selection.
B) The population size is smaller in A than B.
C) The gene in A is neutral. The gene in B experienced positive selection.
D) The mutation rate is lower in gene A than gene B.
Correct Answer:

Verified
Correct Answer:
Verified
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