In mitosis when the chromosomes sperate and the chromosomes are in their two daughter cells, where is the second copy of each chromosome. Say chromosome 1 replicates by duplicating into sister chromatids and then moving into two daughter cells, each with 1 copy of chromosome one. Where is the other chromosome 1, since every cell contains 23 pairs of chromosomes.

I think you got two things mixed up, it goes: 46(2n)–>23(1n) in mitosis. So, the sister chromosome of chromosome one goes into daughter cell 2. Also, they arent pairs of chromosomes.

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