Question Detail

ZOO 101 ZOO 101 Past Questions Objective Question
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Question

The cortical reaction after fertilization serves to:
Options
A Form the zygote
B Initiate capacitation
C Prevent multiple sperm from fertilizing the egg — polyspermy block
Correct Answer
D Begin cleavage divisions
Correct Answer

Option C is the correct answer.

Detailed Explanation

The cortical reaction prevents multiple sperm from fertilizing the egg (polyspermy block). It involves the release of enzymes that modify the zona pellucida.

Hint

This reaction ensures that only one sperm fertilizes the egg.

Question Info

Course: ZOO 101
Topic: ZOO 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 1363 of 2214
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