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Last Updated: Monday, 7 January 2008, 18:11 GMT
1953 DNA model section
Carina Dennis of the science journal Nature explains the significance and consequences of the landmark 1953 discovery.

Denna Jones, curator of the TwoTen Gallery and Contemporary Initiatives at the Wellcome Trust, looks at DNA's iconic status.
Stephen Franklin, nephew of Rosalind Franklin, talks about his aunt's role in discovering the structure of DNA.
Images of the locations and icons featuring in the story of 50 years of scientific work on DNA and the human genome project

Professor Adrian Hayday of King's College London tells the story behind the discovery of DNA's structure in 1953.


There is a good reason why DNA has four bases or letters in its genetic code and not two, six or eight, researchers believe.
James Watson, who unravelled the structure of DNA 50 years ago, recalls his momentous discovery.

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