If two individuals from different species attempt to mate but fertilization fails to occur, this is likely the result of _____ factors. However, if such a mating produces a zygote that fails to form a viable embryo, this is likely the result of _____ factors.
A)pre-zygotic; post-zygotic
B)post-zygotic; pre-zygotic
C)behavioral; pre-zygotic
D)pre-zygotic; behavioral
E)post-zygotic; lock-and-key

Question

Quizplus · Accepted Answer

Pre-zygotic factors prevent the fertilization of gametes from different species, such as differences in reproductive structures or mating behaviors. Post-zygotic factors occur after fertilization, such as problems with embryonic development or reduced fitness of the hybrid offspring.

If Two Individuals from Different Species Attempt to Mate but Fertilization