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
HOX gene is responsible for which malformation 
Select and explain. 
A. Polysyndactyly, B. Holoprosencephaly, C. Mayer Rokitansky syndrome, D. Gorlin syndrome
A: Polysyndactyly
Answer: A: Polysyndactyly 
Explanation: None