How do chromosomes relate to DNA? Why do they exist at all, if all genetic information is stored in a single strand of DNA within the cell? I read that chromosomes only form when cells are about to divide – if so, why is this necessary and what determines how many chromosomes are formed?
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DNA is stored in chromosomes. Every cell in your body has 23 sets of chromosomes. You have 46 chromosomes in every cell in your body. One chromosome is one uninterrupted string of DNA.
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