Fraternal twins in humans 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 the first two blastomeres separate from each other
  • C
    An egg develops parthenogenetically and the first two blastomeres separate from each other
  • D
    Two ova are fertilized simultaneously

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