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Question : What happens during fertilisation in humans after many sperms reach close to the ovum?

Answer»

Secretions of acrosome helps one SPERM enter CYTOPLASM of OVUM through zona pellucida
All spenns except the one nearest to the ovum lose their tails
Cells of corona RADIATA trap all the sperms except one
Only TWO sperms nearest the ovum penetrate zona pellucida

Answer :A


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