Horses and donkeys can interbreed, but their offspring (mules) are infertile. This is an example of what kind of reproductive isolating mechanism?
A)pre-zygotic, behavioral isolation
B)pre-zygotic, temporal separation
C)post-zygotic, behavioral isolation
D)post-zygotic, genetic incompatibility
E)post-zygotic, ecological separation

Question

Quizplus · Accepted Answer

This is an example of post-zygotic reproductive isolation because the offspring (mules) are produced, but they are infertile due to genetic incompatibility between horses and donkeys.

Horses and Donkeys Can Interbreed, but Their Offspring (Mules) Are