Question

J Watson and F Crick proposed the double helix model of DNA. Choose the correct statements with respect to their model of DNA.
I. Based on X-ray diffraction of DNA produced by M Wilkins and RFranklin.
II. One of the hall marks of their proposition was base pairing between the two strands of polynucleotide chains.
III. The two polynucleotide chains are antiparallel to each other.
IV. Based on Chargaff's rule $(A+G/T+C=1)$
Choose the correct option.

• A. I, II and III
• B. II, III and IV
• C. I, II, III and IV
• D. All of the above

Answer 1

Answer: (D)

Correct answer is (d) All of the above