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
Most common gene responsible for hereditary hemochromatosis is? 
Select and explain. 
A. HJV gene, B. HAMP gene, C. TfR2 gene, D. HFE gene
D: HFE gene
Answer: D: HFE gene 
Explanation: 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.