Fraternal twins in man are produced when

  • A

    Two sperms fertilize an ovum and the first two blastomeres separate from each other

  • B

    One sperm fertilizes an ovum and first two blastomeres separate from each other

  • C

    Egg develops parthenogenetically and first two blastomeres separate from each other

  • D

    Two ova are fertilized simultaneously

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  • [AIPMT 2010]

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The point of sperm entry during fertilization forms