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: Pediatrics
Overall most common trisomy is 
Select and explain. 
A. Trisomy 21, B. Trisomy 18, C. Trisomy 16, D. Trisomy 13
C: Trisomy 16
Answer: C: Trisomy 16 
Explanation: Most common Trisomy overall is Trisomy 16. Most common Trisomy in live birth is Trisomy 21.