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How many structural genes are present in a lac operon?(a) One(b) Five(c) Three(d) SevenI had been asked this question during an interview for a job.Origin of the question is Molecular Basis of Inheritance in section Molecular Basis of Inheritance of Biology – Class 12

Answer»

Correct option is (c) Three

Easiest EXPLANATION: A lac OPERON consists of one regulatory gene (i) and three structural GENES (z, y and a). The “i” in regulatory gene is DERIVED from the word “inhibitor”.



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