Q:
      
      
         
            
What two scientists established the structure of dna?
         
       
      
      
      
          
      
      
          Answer & Explanation
         Answer: B) James Watson and Francis Crick         
         
Explanation: In the early 1950s two scientists, Rosalind Franklin and Maurice Wilkins, studied DNA using x-rays. Franklin produced an x-ray photograph that allowed two other researchers, James Watson and Francis Crick to work out the 3D structure of DNA. The structure of DNA was found to be a double helix.
       
      
      
      
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