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12th Class Biology Principle Of Inheritance And Variation Question Bank Case Based (MCQs) - Principles of Inheritance and Variation

  • question_answer
    In phenylketonuria (PKU) disease of human being, there is deficiency of enzyme -

    A) Phenyl alanine oxidase

    B) Phenyl alanine hydroxylase

    C) Phenyl alanine tyrosinase

    D) Phenyl alanine reductase

    Correct Answer: C

    Solution :

    Phenyl alanine tyrosinase


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