Answer: Rosalind Franklin.
- A Linus Pauling
- B Rosalind Franklin
- C Erwin Chargaff
- D Frederick Griffith
Correct answer: B. Rosalind Franklin
Explanation: Rosalind Franklin produced X-ray diffraction images (Photo 51) of DNA that revealed its helical structure, used by Watson and Crick.
Punnett square for a monohybrid cross between two heterozygous (Tt) parents, showing the 3:1 phenotypic ratio predicted by Mendel's Law of Segregation.
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 →