Question

The concept of genes is not static but dynamic. Arrange the changing concept of genes chronologically - from earliest to the latest
(A) Gene is a sequence of nucleotides encoding functional products
(B) Isolation of nuclein by Friedrich Miescher
(C) One gene-one metabolic pathway block
(D) One gene-one polypeptide
Choose the correct answer from the options given below:

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

Hint:

Remember the historical timeline:
Miescher's Nuclein (1869) $\rightarrow$ Beadle & Tatum's One Gene-One Enzyme/Pathway (1941) $\rightarrow$ Ingram's One Gene-One Polypeptide (1957) $\rightarrow$ Modern Molecular Gene Concept.

Answer 1

The Correct Option is D