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: Gynaecology & Obstetrics
Cervlx develops from : 
Select and explain. 
A. Wolffian duct, B. Mullerian duct, C. Mesonephros, D. Metanephros
B: Mullerian duct
Answer: B: Mullerian duct 
Explanation: Mullerian duct