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

  • [AIPMT 2011]
  • A

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

  • B

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

  • C

    Cells of corona radiata trap all the sperms except one.

  • D

    Only two sperms nearest the ovum penetrate zona pellucida.

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