(AP) - James D. Watson, whose co-discovery of the twisted-ladder structure of DNA in 1953 helped light the long fuse on a revolution in medicine, crimefighting, genealogy and ethics, has died. He was ...
That realization was a breakthrough. It instantly suggested how hereditary information is stored and how cells duplicate their DNA when they divide. The duplication begins with the two strands of DNA ...
The duplication begins with the two strands of DNA pulling apart like a zipper.Even among non-scientists, the double helix would become an instantly recognized symbol of science, showing up in such ...
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