1 MCQs in Pediatrics for NEET PG
A 2-week-old male infant born to non-consanguineous parents presents with macroglossia, exomphalos, and severe hypoglycemia requiring continuous intravenous dextrose infusion. Genetic testing reveals loss of methylation at the IC2 locus. The imprinting defect marked **A** in the diagram is responsible for this clinical phenotype. Which of the following best explains the molecular mechanism underlying the overgrowth and metabolic derangement in this infant?
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