Which among the following induces the completion of the meiotic division in the secondary oocyte?

Mere contact of sperm with zona pellucida

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Entry of sperm into cytoplasm of ovum

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Capacitation of sperms

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Release of first polar body

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Solution

The correct option is B Entry of sperm into cytoplasm of ovum
The secretions of the acrosome help the sperm enter into the cytoplasm of the ovum through zona pellucida and the plasma membrane that induces the completion of meiotic division.

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