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': 'BRCA1 gene is located on which chromosome? \nSelect and explain. \nA. Chromosome 13, B. Chromosome 19, C. Chromosome 21, D. Chromosome 17', 'role': 'user'}, {'content': 'Answer: D \nExplanation: The BRCA2 gene is located on chromosome 13 and encodes over 3000 amino acids. It appears\xa0that BRCA2 plays an important role in male breast cancer.\n• The human BRCA1 gene is located on the long (q) arm of chromosome 17', 'role': 'assistant'}]