Watson, James Dewey

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Watson, James Dewey (1928– ) US geneticist and biophysicist. Watson is known for his role in the discovery of the molecular structure of deoxyribonucleic acid (DNA), and he shared the 1962 Nobel Prize in physiology or medicine with Francis Crick and Maurice Wilkins. Watson later helped to break the genetic code of the DNA base sequences and found the ribonucleic acid (RNA) messenger that carries the DNA code to the cell's protein-forming structures.

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