But James Watson and Francis Crick's claim was a valid one, for they had in fact discovered the structure of DNA, the chemical ... Referring to Franklin's X-ray image known as "Exposure 51 ...
a fundamental biological process that happens whenever cells in the body divide. Using that new method, they made a surprising discovery.
What did the duo actually discover? Many people believe that American biologist James Watson and English physicist Francis Crick discovered DNA in the 1950s. In reality, this is not the case.
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