Question Detail

ZOO 101 Maturation, Reproduction and Sexuality in man Objective Question
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Question

What is the cortical reaction, and what is its purpose?
Options
A It allows the sperm nucleus to enter the egg.
B It triggers the fusion of the sperm and egg membranes.
C It prevents multiple sperm from fertilizing the same egg (polyspermy block).
Correct Answer
D It activates the egg to begin dividing.
Correct Answer

Option C is the correct answer.

Detailed Explanation

The cortical reaction prevents polyspermy by causing changes in the egg's outer layer that block additional sperm from entering.

Hint

It ensures only one sperm fertilizes the egg.

Question Info

Course: ZOO 101
Topic: Maturation, Reproduction and Sexuality in man
Type: Objective
Difficulty: Not specified
Question 672 of 2214
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