Question

Arrange the following concepts/principles chronologically from the oldest to the latest. 
• [(A).] Gene-for-gene hypothesis 
• [(B).] Dominance hypothesis 
• [(C).] Transforming principles 
• [(D).] Concept of heterosis 
Choose the correct answer from the options given below: 
 

• A. (C), (A), (B), (D)
• B. (C), (D), (A), (B)
• C. (B), (D), (C), (A)
• D. (B), (D), (A), (C)

Hint:

Key historical associations to remember:
- Dominance hypothesis: Davenport (1908).
- Coined "Heterosis": Shull (1914).
- Transforming principle: Griffith (1928).
- Gene-for-gene model: Flor (1942).

Answer 1

The Correct Option is C