Molecular Basis of Inheritance Question 134

134. One gene -one enzyme hypothesis was postulated by

(a) Hershey and Chase

(b) A. Garrod

(c) Beadle and Tatum

(d) R. Franklin

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Answer : c

Hints & Solution

(c) Beadle & Tatum postulated the theory of ‘One gene-one enzyme’ in which they stated that in any living cell there are number of genes present on chromosomes in a linear fashion. One single gene controls the synthesis of one particular enzyme (or protein) in the cell which is responsible for its phenotypic character.



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