Why does only one sperm cell get to fertilize the egg? How is multi-sperm fertilization prevented and does this prevention ever fail?

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Why does only one sperm cell get to fertilize the egg? How is multi-sperm fertilization prevented and does this prevention ever fail?

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Anonymous 0 Comments

Many, many sperm are required to break down the enzymes of the egg membrane, not just one. Once the first sperm penetrates the egg it undergoes a near instantaneous transformation of the membrane that allows no other sperm to enter.

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