1 MCQs in Biochemistry for NEET PG
A 6-month-old boy with microcephaly, anteverted nares, 2-3 toe syndactyly, and hypospadias is referred for audiological assessment. The audiogram shows the pattern marked **A** in the diagram. Genetic testing reveals mutations in DHCR7 on chromosome 11q13.4. Which of the following best explains the hearing loss pattern in this patient?
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