- A Duncan muscular dystrophy
- B Lesch-Nyhan syndrome
- C Mental retardation
- D Long protruding tongue
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Answer:
B
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Lesch-Nyhan syndrome is an X-linked disorder that causes excessive production of uric acid, known as congenital hyperuricemia. This disorder is caused by a defect in the HGPRT (Hypoxanthine Guanine Phosphoribosyl Transferase) gene. Therefore, the correct answer to this question is B.
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