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  5. Molecular basis of Inheritance / विरासत का आणविक आधार

12th Class Biology Molecular basis of Inheritance / विरासत का आणविक आधार Question Bank MCQs - Molecular Basis of Inheritance

  • question_answer
    The lac operon consists of

    A) four regulatory genes only

    B) one regulatory gene and three structural genes

    C) two regulatory genes and two structural genes

    D) three regulatory genes and three structural genes

    Correct Answer: B

    Solution :

    one regulatory gene and three structural genes


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