This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Impoant Genetic Syndromes, Subject name: Pediatrics
[{'content': 'Which of the following is not a usual feature of Noonan syndrome \nSelect and explain. \nA. Webbed neck, B. Intellectual disability, C. Infeility, D. Sho stature', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Noonan syndrome - pubey is delayed but feility is normal', 'role': 'assistant'}]