During Cleavage there is decrease

Size of blastomers

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Number of blastomers

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DNA content

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Nucleocytoplasmic ratio

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Solution

The correct option is A Size of blastomers
Cleavage is the repeated mitotic division of cells in the zygote. There is no growth during this stage and due to repeated divisions, there is a decrease in the size of the blastomeres.
So, the correct answer is 'Size of blastomeres'.

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