Why is $DNA$ copying an essential part of the process of reproduction ?

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$DNA$ (Deoxyribonucleic acid) copying is an essential part of reproduction as it passes genetic information from parents to offspring. It determines the body design of an individual. The reproducing cells produce a copy of their $DNA$ through some chemical reactions and result in two copies of $DNA$. The copying of $DNA$ always takes place along with the creation of additional cellular structure. This process is then followed by division of a cell to form two cells .

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