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: Pathology
[{'content': 'Gene for major histocompatibility complex is located on which chromosome? \nSelect and explain. \nA. Chromosome 10, B. Chromosome 6, C. X chromosome, D. Chromosome 13', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Major histocompatibility complex also called the human leucocyte antigen (HLA) is a 4 megabase region on chromosome 6. The region is densely packed with genes.\nThe gene encodes two major proteins or antigens i.e., MHC I and MHC', 'role': 'assistant'}]