The cortical reaction causes
A)the vitelline layer to harden.
B)the embryo to embed into the uterus.
C)egg membrane depolarization.
D)the sperm to bind to the egg membrane.
E)follicle maturation.

Question

Quizplus · Accepted Answer

The cortical reaction causes the release of calcium ions that cause the hardening of the vitelline layer, which is the outer layer of the egg. This hardening prevents additional sperm from entering the egg, ensuring that only one sperm fertilizes the egg.

The Cortical Reaction Causes