Molecular Basis of Inheritance Question 133

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

[2007]

(a) Salmonella typhimurium

(b) Escherichia coli

(c) Diplocococcus pneumoniae

(d) Neurospora crassa.

Show Answer

Answer : d

Hints & Solution

(d) 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 the enzyme that catalyses the reactions that leads to the phenotype of the organism.