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During the first four days after conception, the zygote undergoes rapid cell divisions and becomes multicellular. What is this cell division called?

Verified Answer :

Kalahira

The answer is cleavage. In embryology, cleavage is the division of cells in the early incipient organism. The zygotes of numerous species experience fast cell cycles with no noteworthy development, delivering a group of cells an indistinguishable size from the first zygote.

W0lf93

The correct asnwer is blastulation. It occurs during first four days after conception. Blastula is formed from morula, and a cavity called bastocoel is formed n the centre of blastomeres. It is called as a blastocyst in mammals. The layer which covers it is called as blastoderm

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