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
Renal cell carcinoma is related to gene located on chromosome ? 
Select and explain. 
A. 3, B. X, C. 22, D. 20
A: 3
Answer: A: 3 
Explanation: Ans. is 'a' i.e., 3