This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
Double aoa develops from 
Select and explain. 
A. 1st arch aery, B. 2nd arch aery, C. Right dorsal aoa, D. Left dorsal aoa
C: Right dorsal aoa
Answer: C: Right dorsal aoa 
Explanation: Inderbir Singh&;s Human embryology Tenth edition Pg 257Double aoa occurs due to the persistence of distal poion of the right dorsal aoa