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NEET UG BIOLOGY MCQ: PRINCIPLE OF INHERITANCE AND VARIATION
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A person is suffering from disease phenylketonuria, which is an autosomal recessive disease. Which of these is lacking in the person?
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Correct option: B
Phenylalanine hydroxylase
Option B (Phenylalanine hydroxylase) is correct because phenylketonuria is caused by a deficiency in this enzyme, which is needed to convert phenylalanine to tyrosine.
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