Which of the following examples does not illustrate gametic isolation?
A) A protein that assists in binding sperm to eggs is not recognized
B) Sperm cannot penetrate an egg
C) Gametes are chemically incompatible
D) Gametes cannot successfully fuse with a zygote
E) Hybrid zygotes fail to mature normally

Question

Quizplus · Accepted Answer

Gametic isolation refers to the inability of gametes (sperm and eggs) from two different species to meet, fuse, or initiate a viable zygote due to prezygotic barriers. Option E, "Hybrid zygotes fail to mature normally," describes a postzygotic barrier, where the issue occurs after fertilization, not during the gamete interaction phase.

Which of the Following Examples Does Not Illustrate Gametic Isolation