What is DNA?
deoxyribonucleic acid, a self-replicating material present in nearly all living organisms as the main constituent of chromosomes.
DNA, short for Deoxyribonucleic acid, is the genetic material that contains the instructions for the development, function, and reproduction of all living organisms. It’s a double-stranded molecule consisting of a long chain of nucleotides, each composed of a sugar molecule, a phosphate group, and one of four nitrogenous bases (adenine, guanine, cytosine, and thymine). The sequence of these bases determines the genetic code, which is responsible for the traits and characteristics of an organism. DNA is found in the nucleus of almost every living cell and can be replicated and passed on from one generation to the next through the process of cell division and reproduction.
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