Question #cf163
1 Answer
May 2, 2017
Entry of sperm cells in egg cell
Explanation:
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Let me explain you step by step :
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Firstly , Sperm passes through corona radiata.
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Then, the reaction of acrosome takes place.
The ZP3 , which is a glycoprotein of zona pellucida binds with sperm head and releases its hydrolytic enzymes .
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Sperm passes through pellucida and reaches and reaches oolemma.
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Then, the fusion of plasma membrane of egg and sperm takes place enabling the sperm content to enter egg .
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The zona pellucida gets harden by cortical reaction .
