一个基因，一个酶的理论 一个基因，一个多肽的理论 One gene controls the production of one enzyme,set forth by Beadle and Tatum Later it has given way to one gene-one polypeptide because of the study of human mutations in intermediary metabolism One gene controls the production of one enzyme, set forth by Beadle and Tatum . Later it has given way to one gene-one polypeptide because of the study of human mutations in intermediary metabolism 一个基因，一个酶的理论 一个基因，一个多肽的理论