BPSC – Combined Competitive Examination · प्रश्न 20
The double-helix structure of DNA was discovered by:
उत्तर दाखवा आणि स्पष्टीकरण
उत्तर: (A) James Watson and Francis Crick
स्पष्टीकरण
Watson and Crick published the DNA double-helix model in Nature in 1953, using Franklin's X-ray images.
- (A) बरोबर
Correct: they proposed the double-helix model in 1953.
- (B) चूक
Wrong: their X-ray data were key, but the model was Watson and Crick's.
- (C) चूक
Wrong: he proposed an incorrect triple helix.
- (D) चूक
Wrong: father of genetics; did not study DNA.