Which of the following is an example of a postzygotic barrier?
A) The gametes cannot join.
B) The zygote fails to develop.
C) The breeding seasons are different.
D) The courtship behaviors are different.

Question

Quizplus · Accepted Answer

A postzygotic barrier refers to a barrier that occurs after the fertilization of the gametes. Option A refers to a prezygotic barrier, where the gametes cannot join. Option C and D are examples of behavioral isolation, which is also a prezygotic barrier. Option B is an example of a postzygotic barrier since the zygote is formed, but it fails to develop, leading to hybrid inviability or lethality, hence preventing the formation of viable offspring.

Which of the Following Is an Example of a Postzygotic