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  4. During cleavage, what is true about cells?

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Q. During cleavage, what is true about cells?

AIPMTAIPMT 1991Human Reproduction

Solution:

The term cleavage refers to a series of rapid mitotic divisions of the zygote following fertilization, forming a many-celled blastula. Interphase in cleavage divisions is short and does not involve growth so that the resulting blastomeres become smaller in size as their number increases. Thus, the size of the cells (blastomeres) does not increase during cleavage.