Biology, asked by KothaTeja8192, 1 year ago

Assertion (A): Only one sperm can fertilise an ovum. Reason (R): During fertilisation, a sperm comes in contact with the zona pellucida layer of the ovum and induces changes in the membrane that block the entry of additional sperms. Regarding (A) and (R):

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Answered by sumedha2302gmailcom

2

both are correct and reason is correct explanation.

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