The type of reproductive barrier that occurs when two species mate but produce sterile hybrids is referred to as ________.
A)mechanical isolation
B)temporal isolation
C)a postzygotic barrier
D)a prezygotic barrier

Question

Quizplus · Accepted Answer

This is a postzygotic barrier because it occurs after fertilization when the hybrid offspring are produced, but they are sterile and cannot reproduce. Mechanical isolation and temporal isolation are prezygotic barriers that prevent mating from occurring in the first place.

The Type of Reproductive Barrier That Occurs When Two Species