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Fraternal twins are produced when:

[A].	two sperms fertilize an ovum and the blastomeres after 1st cleavage separation completely	[B].	Two ova are fertilized simulataneously by two different sperms
[C].	One sperm fertilizes an ovum and two blastomeres of 1st cleavages separate completely	[D].	None of these things happen

Answer: Option B