Lack of fusion of maxillary and medial nasal process results in: (A) Upper hare lip, (B) Lower hare lip, (C) Cleft palate, (D) Cleft palate and cleft lip
Answer is D. Human embryology Tenth edition Inderbir Singh Page no 160 When one or both maxillary process don't fuse with medial nasal process give rise to defect in upper lip