This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
[{'content': 'False about Noonan syndrome \nSelect and explain. \nA. Autosomal recessive, B. Mutations in chromosome 12, C. Both males and females are affected, D. Low clotting factors XI and XII', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Noonan syndrome - Autosomal dominant.', 'role': 'assistant'}]