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