During fertilization,which layer of the ovum | vedclass

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(B) During the process of fertilization,the sperm approaches the ovum. The ovum is surrounded by several layers,including the corona radiata and the z

Vedclass · Accepted Answer

Zona pellucida

Vedclass · Answer

(B) During the process of fertilization,the sperm approaches the ovum. The ovum is surrounded by several layers,including the corona radiata and the zona pellucida. The sperm first comes into contact with the $Zona \ pellucida$ layer of the ovum. This contact triggers the acrosome reaction in the sperm,which releases enzymes that help the sperm penetrate the $Zona \ pellucida$ to reach the plasma membrane of the ovum.

During fertilization,which layer of the ovum does the sperm come into contact with first?

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