Pediatrics A normal born child presents with mental retardation, blond hair and convulsions at 1 year of age. Most probable diagnosis is? A Albuminuria B Phenylketonuria C Gaucher s disease D Tyrosinemia 💡 Explanation A normal born child presents with mental retardation, blond hair and convulsions at 1 year of age. Most probable diagnosis is? ✓ Correct Answer: B. Phenylketonuria