This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pathology, Subject name: Pathology
[{'content': 'Most common gene responsible for hereditary hemochromatosis is? \nSelect and explain. \nA. HJV gene, B. HAMP gene, C. TfR2 gene, D. HFE gene', 'role': 'user'}, {'content': 'Answer: D \nExplanation: harshmohan textbook of pathology 7th edition. *idiopathic haemochromatosis associated with over expression of HFE gene located on chromosome no 6 close to HLA gene locus and normally regulate intestinal absorption of iron.', 'role': 'assistant'}]