Why in humans only one sperm can fertilise an egg and no more can enter the egg?
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1
Answer:
Two mechanisms can operate to ensure that only one sperm fertilizes the egg. In many cases, a rapid depolarization of the egg plasma membrane, which is caused by the fusion of the first sperm, prevents further sperm from fusing and thereby acts as a fast primary block to polyspermy.
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Answered by
5
Answer:
Because there is only one egg For one sperm cell.
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