One gene- one enzyme relationship was established for the first time in:
One gene- one enzyme relationship was established for the first time in:
Salmonella typhimurium
Escherichia coli
Diplococcus pneumoniae
Neurospora crassa.
Solution
Beadle and Tatum gave one gene one hypothesis which states that each gene in an organism controls the production of a specific enzyme. It is these enzymes that catalyse the reactions that lead to the phenotype of the organism.