PUC Karnataka Science Class 12Department of Pre-University Education, Karnataka
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How is polyspermy prevented in humans? - PUC Karnataka Science Class 12 - Biology

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Question

How is polyspermy prevented in humans?

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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Solution How is polyspermy prevented in humans? Concept: Fertilisation and Implantation.
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