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': 'True about hemochromatosis - \nSelect and explain. \nA. Is genetically heterogenous, B. Cannot be treated by phlebotomy, C. Completely penetrant, D. More common in females', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]