The point of sperm entry during fertilization | vedclass

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Question

(C) In amphibian fertilization,the entry of the sperm triggers a cortical rotation of the egg cytoplasm. The point of sperm entry determines the site

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Grey crescent

Vedclass · Answer

(C) In amphibian fertilization,the entry of the sperm triggers a cortical rotation of the egg cytoplasm. The point of sperm entry determines the site where the $Grey \ crescent$ is formed,which is located on the side opposite to the point of sperm entry. This region is crucial for the establishment of the embryonic axis and the subsequent development of the dorsal lip of the blastopore.

The point of sperm entry during fertilization in amphibian eggs forms:

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