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
Rectum develops from - 
Select and explain. 
A. Cloaca, B. Hind gut, C. Allantoic remnants, D. Urogeital sinus
B: Hind gut
Answer: B: Hind gut 
Explanation: None