Monday, February 28, 2011

This Week in History 2-28-11

Watson and Crick discover chemical structure of DNA

February 28, 1953, Cambridge University scientists James D. Watson and Frances H.C. Crick announced their discovery of the double-helix structure of DNA. They determined that the structure of DNA is a double-helix polymer, a spiral of two DNA strands wound around each other. This extraordinary discovery solved question of how genetic information is able to be passed down from one generation to the next.

To learn more about the discovery of the chemical structure of DNA please visit This Day in History at

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