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Question : The following reason supports that all copulations may not lead to fertilization and pregnancy

Answer»

OVUM should reach EARLIER than sperms into ampullary - isthamic junction
Sperms should reach earlier than ova into ampullary - isthamic junction
Both sperms and ova should transport SIMULTANEOUSLY to the ampullary - isthamic junction
Ovum should reach the VAGINA when sperms enter into it

Answer :C


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