What is true about cells during cleavage?

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(B) During cleavage,the zygote undergoes rapid mitotic divisions to form a multicellular structure called a morula. Unlike ordinary mitosis,there is n

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They do not grow in size

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(B) During cleavage,the zygote undergoes rapid mitotic divisions to form a multicellular structure called a morula. Unlike ordinary mitosis,there is no growth phase ($G_1$ or $G_2$) between the divisions. As a result,the total volume of the embryo remains constant,and the number of cells increases while their individual size decreases. Therefore,the cells do not grow in size during this process.

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