How do egg cells “know” not to accept more sperm once fertilized? How do they keep the rest out?

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This question is courtesy of my ten year old daughter who meant to search “cornception” on YouTube but got autocorrected to “conception.” The videos that came up were fortunately educational in nature. Thanks for reading this far!

In: Biology

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Anonymous 0 Comments

If you don’t mind me tacking on another question: If eggs are locked in with one sperm’s code, how is it possible for cats to have split liters with two mates?

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