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You have 23 pairs of chromosomes in your body cells. Why do your chromosomes occur in pairs? Where does each chromosome in the pair come from?

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Answer:

You have your chromosomes in pairs because you get 23 from each parent.

Your chromosome pairs come from your parents, 23 from your mom (egg), 23 from your dad (sperm). Which totals to 46 chromosomes in your body.

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