This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Misc., Subject name: Anatomy
Notochord develops in 
Select and explain. 
A. 3rd week, B. 3rd month, C. 6 months, D. 10th week
A: 3rd week
Answer: A: 3rd week 
Explanation: (A) 3rd week > Notochord develops in 3rd week.