This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Genetic Approach to Pediatric Medicine, Subject name: Pediatrics
Patau syndrome is - 
Select and explain. 
A. Trisomy 13, B. Trisomy 18, C. Trisomy 21, D. Trisomy 22
A: Trisomy 13
Answer: A: Trisomy 13 
Explanation: Ans. is 'a' i.e., Trisomy 13 Name of syndromeTrisomyEdward18Patau13Cat eye22Down's21