The cortical reaction of sea urchin eggs functions directly in ________.
A) the formation of a fertilisation envelope
B) the production of a fast block to polyspermy
C) the release of hydrolytic enzymes from the sperm
D) the generation of an electrical impulse by the egg

Question

Quizplus · Accepted Answer

The cortical reaction in sea urchin eggs leads to the formation of a fertilization envelope, which is a slow block to polyspermy, preventing additional sperm from entering the egg after the first sperm has fused.

The Cortical Reaction of Sea Urchin Eggs Functions Directly in ________