How is the entry of only one sperm and not many, ensured into an ovum during fertilisation in humans? [AI 2012]
Or
During fertilization, hundreds of sperm cells are in the vicinity of an egg cell; but only- one sperm enters the ovum. How is this achieved? [HOTS]
Answers
Answered by
0
During fertilization, a sperm comes in contact with the zona pellucida layer of the ovum and induces changes in the membrane that block the entry of additional sperms.
hope it helped ✌✌
Similar questions