The cortical reaction functions directly in the
A) formation of a fertilization envelope.
B) production of a fast block to polyspermy.
C) release of hydrolytic enzymes from the sperm cell.
D) generation of a nerve-like impulse by the egg cell.
E) fusion of egg and sperm nuclei.

Question

Quizplus · Accepted Answer

The cortical reaction is a process that occurs immediately after the sperm cell fuses with the egg cell, leading to the release of enzymes that form a fertilization envelope. This envelope serves as a barrier to prevent additional sperm from fertilizing the egg, thus providing a fast block to polyspermy.

The Cortical Reaction Functions Directly in the