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: Surgery
Cleft lip is due to non fusion of - 
Select and explain. 
A. Maxillary process with lateral nasal process, B. Maxillary process with medial nasal process, C. Maxillary process with mandibular process, D. All of the above
B: Maxillary process with medial nasal process
Answer: B: Maxillary process with medial nasal process 
Explanation: None