Question

"One gene one enzyme" theory was proposed by

• A. G.W. Beadle and E.L. Tatum
• B. O.T. Avery and M. McCarthy
• C. J.H. Tijo and A. Levan
• D. C.E. Ford and J.H. Tijo

Answer 1

The correct option is A G.W. Beadle and E.L. Tatum

The one gene - one enzyme hypothesis is the idea that genes act through the production of enzymes, with each gene responsible for producing a single enzyme that in turn affects a single step in a metabolic pathway. Beadle and Tatum proposed this concept.