Biology · Human Reproduction
Assertion (A): In mammals, the cortical reaction plays a crucial role in preventing polyspermy after fertilization. Reason (R): The release of cortical granules modifies zona pellucida glycoproteins, thereby blocking further sperm binding and penetration. Choose the correct option below:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1A is false, but R is true
- 2A is true, but R is false
- 3Both A and R are true, but R does not explain A
- 4Both A and R are true, and R correctly explains A✓
Correct answer
Both A and R are true, and R correctly explains A
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