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In a cell undergoing meiosis, there are 8 sister chromatids in the cell after the S...

In a cell undergoing meiosis, there are 8 sister chromatids in the cell after the S phase of interphase. How many different outcomes are possible for the gametes?

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Answer #1

Each chromosome produces 2 sister chromatids. 2 chromatids joined at centromere are considered as a sister chromatids. Since there are 8 sister chromatids, the number of chromosomes would be 4 (2n). If you know the haploid set of the chromosome of an organism we can find the number of possible gametes my using the formula 2n where n is the number of haploids chromosomes.

Since 2n = 4, so n = 2

So possible outcomes of gamete = 22 = 4

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