The number of chromosomes present in each cell of embryo is 48, then the number of chromosomes present in the zygote of that organism is _______.

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Solution

The correct option is C 48
The zygote undergoes cell division (mitosis) and cell differentiation to give rise to the multicellular embryo. The cell divisions increase the number of cells in the developing embryo however the number of chromosomes remains the same. Therefore, if the number of chromosomes in the cells of embryo is 48, then the number of chromosomes in the zygote of that organism will also be 48.

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Standard XII Biology

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