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NCI Dictionary of Cancer Terms


deoxyribonucleic acid  listen  (dee-OK-see-RY-boh-noo-KLAY-ik A-sid)

  The molecules inside cells that carry genetic information and pass it from one generation to the next. Also called DNA.

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Structure of DNA; drawing shows a chromosome, nucleosome, histone, gene, and nucleotide base pairs: guanine, cytosine, adenine, and thymine. Also shown is a cell and its nucleus.