- A Mendel and Morgan
- B Watson and Crick (1953)
- C Avery, MacLeod, McCarty
- D Hershey and Chase
Correct answer: B. Watson and Crick (1953)
Explanation: Watson and Crick proposed the double helix structure of DNA in 1953, using X-ray data from Rosalind Franklin.
Concept context
Mendel's laws, inheritance patterns, DNA structure, and molecular biology. Core of NEET biology.
Read the full Principles of Inheritance and Variation notes →