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
Cytogenetics for synovial cell sarcoma 
Select and explain. 
A. t (9,22), B. t (11,14), C. t (8,14), D. t (x,18)
D: t (x,18)
Answer: D: t (x,18) 
Explanation: t (x,18) is seen in synovial cell sarcoma and it produces fusion genes like SS18-SSXl-SSX2-SSX4