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NEET UG BIOLOGY MCQ: PRINCIPLE OF INHERITANCE AND VARIATION
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Identify a Mendelian disorder from the following.
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Correct option: C
Phenylketonuria
Option B (One X-chromosome of mother) is correct because the mother must be a carrier (XhX) and passes on the Xh chromosome to half of her sons, making them haemophilic, and to half of her daughters, making them carriers.
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