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
The BRCA-1 gene associated with breast cancer and ovarian cancer, is located on: 
Select and explain. 
A. 17q, B. 17 p, C. 22q, D. 18q
A: 17q
Answer: A: 17q 
Explanation: 17q