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
Trisomy 18 is known as - 
Select and explain. 
A. Edward Syndrome, B. Patau sundrome, C. Cat eye syndrome, D. Down's syndrome
A: Edward Syndrome
Answer: A: Edward Syndrome 
Explanation: Ans. is 'a' i.e., Edward Syndrome Name of syndromeTrisomyEdward18Patau13Cat eye22Down's21