This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Genetic and genetic disorders, Subject name: Pediatrics
Trisomy 13 is seen in 
Select and explain. 
A. Edward Syndrome, B. Patau Syndrome, C. Down Syndrome, D. Turnur Syndrome
B: Patau Syndrome
Answer: B: Patau Syndrome 
Explanation: Trisomy 13 is seen in Patau syndrome Edward syndrome is trisomy 18 Down syndrome trisomy 21 and turner syndrome is due to 45 XO . Reference : Nelson TB of pediatrics 19th edition.