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What happens during fertilization in hum...

What happens during fertilization in humans after many sperms reach close to the ovum?

A

Only two sperms nearest the ovum penetrate zona pellucida

B

Secretions of acrosome helps one sperm enter cytoplasm of ovum through zona pellucida

C

All sperms except the one nearest to the ovum lose their tails

D

Cells of corona radiate trap all the sperms except one

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The correct Answer is:
B
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