Which of the following statements is true reg | vedclass

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(B) Cleavage is a series of rapid mitotic divisions of the zygote that converts a single-celled zygote into a multicellular structure called a morula.

Vedclass · Accepted Answer

There is no increase in size.

Vedclass · Answer

(B) Cleavage is a series of rapid mitotic divisions of the zygote that converts a single-celled zygote into a multicellular structure called a morula.During cleavage,the total volume of the embryo remains the same as that of the zygote,meaning there is no increase in the overall size of the embryo.As the cells (blastomeres) divide,the cytoplasm is partitioned into smaller cells,leading to an increase in the nuclear-cytoplasmic ratio.Oxygen consumption increases significantly during cleavage due to high metabolic activity.Therefore,the correct statement is that there is no increase in size.

Which of the following statements is true regarding cells during cleavage?

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