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21 July, 06:16

Why do all the normal cells in the human body have the same number of chromosomes?

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  1. 21 July, 06:45
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    In a one word response, mitosis.

    In an explanation: Before the replication process, an ordinary sex cell contains only has 23 chromosomes. That is half the amount of a normal cell. So when the cells join together they make up the 46 pairs. Then through replication and division (i. e mitosis), the cells are copied to form in short a tiny human. You then forever live with the same amount of chromosomes in your normal cells.
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