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': 'Which one of the following is Autosomal recessive - \nSelect and explain. \nA. Homocysteinuria, B. G - 6 PD deficiency, C. Mytonic dystrophy, D. Otospongiosis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]