Frequency Dependent Selection Maintains Genetic Variation

Question

Frequency dependent selection maintains genetic variation
A) despite bottlenecks.
B) because it increases the value of FIS.
C) because selection favors the common morph.
D) because selection favors the rare morph.
E) none of the above

Accepted Answer

Frequency dependent selection maintains genetic variation because it favors the rare morph, which increases in frequency until it is no longer rare, thus maintaining diversity.