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: Anatomy
Facial development takes place b/w: 
Select and explain. 
A. 4-8 week, B. 8-l0week, C. 12-14week, D. 18-20week
A: 4-8 week
Answer: A: 4-8 week 
Explanation: Ans. a. 4-8 week Development of faceFacial development occurs mainly between 4th and 8th weeks, and is induced by migration of cells of neural crest.Five facial primordia appear as prominences of mesenchyme : a frontonasal process, a pair of maxillary processes and a pair of mandibular processes.