Question

What is the difference betweenprezygotic barriers and postzygoticbarriers?A. Prezygotic barriers form viable zygotes but they diebefore reproducing, unlike postzygotic.B. Prezygotic barriers don't allow a zygote to form, butpostzygotic do.C. Postzygotic barriers are all physical and externalbarriers between species.D. Prezygotic barriers cause infertile offspring hybrids.

Answer 1

The correct option is B. Prezygotic barriers don't allow a zygote to form, but

postzygotic do. Prezygotic barriers do not allow the birth of the new organism, while postzyogtic barriers allow its appearance but usually it dies soon or its infertile.