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': 'BRCA-1 gene is located at what location of the chromosome? \nSelect and explain. \nA. 13p 12, B. 13q 12, C. 17p 21, D. 17q 21', 'role': 'user'}, {'content': 'Answer: D \nExplanation: BRCA-1 is located at - 17q 21\nBRCA-2 located at - 13q 12', 'role': 'assistant'}]