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
BRCA 1 and 2 are located in which chromosome? 
Select and explain. 
A. 13 and 17, B. 17 and 13, C. 11 and 13, D. 13 and 11
A: 13 and 17
Answer: A: 13 and 17 
Explanation: Ans. is 'a' i.e., 13 and 17