Double aoa occurs due to

A. Non development of the right 4th aoic arch

B. Non development of the left 4th aoic arch

C. Non division of truncus aeriosus

D. Persistence of distal poion of the right dorsal aoa

Correct Answer: Persistence of distal poion of the right dorsal aoa

Description: Double aoa occurs due to the persistence of distal poion of the right dorsal aoaRef: Inderbir Singh&;s Human embryology; Tenth edition; Pg 257

Category: Anatomy

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