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umka21 [38]
3 years ago
8

What causes formation of the fertilization envelope?

Biology
1 answer:
Sonja [21]3 years ago
4 0

Answer:

Sperm-egg interaction

Explanation:

The formation of fertilization envelope is well-studied on the model system- sea urchin. It has been shown that, the fertilization envelope is formed after the initial sperm-egg interaction from the egg surface vitelline envelope and the paracrystalline protein fraction which is derived from cortical granules. Secretion from cortical granules, prevents polyspermy.

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