The sperm of one species of fish is chemically incompatible with the eggs of a closely related species.This type of reproductive isolating barrier is called
A) postzygotic isolation.
B) gametic isolation.
C) low hybrid zygote viability.
D) temporal isolation.
E) behavioral isolation.

Question

Quizplus · Accepted Answer

Gametic isolation refers to the incompatibility between the sperm and eggs of two different species. This is a prezygotic reproductive isolating barrier, as it prevents fertilization from occurring. The fact that the sperm of one species of fish is chemically incompatible with the eggs of a closely related species fits this description.

The Sperm of One Species of Fish Is Chemically Incompatible