This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urinary tract, Subject name: Anatomy
The cytogenetics of the Chromophillic renal cell carcinoma is characterized by 
Select and explain. 
A. Mutant VHL gene, B. Loss 3p, C. Trisomy 7/17, D. Loss of 5q3
C: Trisomy 7/17
Answer: C: Trisomy 7/17 
Explanation: Chromophillic carcinoma is the other name of papillary renal cell carcinoma because 80% of Chromophillic cancers show tubopapillary architecture. As discussed, papillary cancer is associated with trisomy 7,16,17