DNA refers to Deoxyribonucleic acid, the genetic "fingerprint" that is unique to each individual. It is
the double-stranded molecule that contains the genetic code. It is composed of sugars, phosphates, and the chemical bases A, C, G, and T. It provides the information to the cell for making proteins, essential for the body to develop and function.
Other /More definition:
DNA is the acronym of Deoxyribonucleic acid. DNA molecules are the chemical building blocks of the chromosomes found in the cell nucleus.

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