Start learning →

Who proposed the double-helix model of DNA in 1953 using X-ray diffraction data from Wilkins and Franklin?

AWatson and Crick
BAvery and MacLeod
CHershey and Chase
DMeselson and Stahl
Answer & Solution
Correct answer: A. Watson and Crick
Watson and Crick proposed the double-helix model in 1953, building on X-ray diffraction images produced by Maurice Wilkins and Rosalind Franklin and on Chargaff's base-ratio rule.
Practise this question with Quill — AP Biology →

Keep practising Unit 6A: DNA and RNA Structure & Replication

Browse all Unit 6A: DNA and RNA Structure & Replication questions for AP Biology, or explore more Biology topics.

Start a Unit 6A: DNA and RNA Structure & Replication lesson →