One gene-one enzyme relationship was established for the first time in

Options

(a) Salmonella typhimurium
(b) Escherichia coli
(c) Diplocococcus pneumoniae
(d) Neurospora crassa

Correct Answer:

Neurospora crassa

Explanation:

It was given by Geneticists George W. Beadle and E.L. Tatum which states that each gene in an organism controls the production of a specific enzyme. It is these enzymes that catalyze the reactions that lead to the phenotype of the organism.