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
Cleft lip, polydactyly, Holoprosencephaly are characteristic feature of? 
Select and explain. 
A. Down syndrome, B. Edward syndrome, C. Patau syndrome, D. Turners syndrome
C: Patau syndrome
Answer: C: Patau syndrome 
Explanation: Patau syndrome is due to trisomy 13.