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Questions
How is polyspermy prevented in humans?
How is polyspermy prevented?
Short Answer
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Solution
When a sperm comes in contact with the zona pellucida layer of the ovum, it induces changes in the membrane of the ovum to block the entry of additional sperms. This, thus, prevents the polyspermy and ensures that only one sperm can fertilise an ovum.
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Chapter 3: Human Reproduction - EXERCISES [Page 172]
