Which combination is an example of prezygotic mechanisms of isolation?
A) hybrid breakdown and temporal isolation
B) hybrid breakdown and gametic isolation
C) hybrid sterility and temporal isolation
D) mechanical and temporal isolation
E) mechanical and hybrid breakdown

Question

Quizplus · Accepted Answer

Mechanical and temporal isolation are both prezygotic mechanisms. Mechanical isolation occurs when differences in the reproductive organs of two species prevent them from mating. Temporal isolation occurs when two species mate or flower at different times, preventing them from interbreeding. Hybrid breakdown, hybrid sterility, and gametic isolation are postzygotic mechanisms.

Which Combination Is an Example of Prezygotic Mechanisms of Isolation