Cat eye syndrome is:: (A) Trisomy 13, (B) Trisomy 18, (C) Trisomy 21, (D) Trisomy 22
Answer is D. Cat eye syndrome Defect in chromosome number 22 sho arm (p) and a small section of the long arm (q) of chromosome 22 is present 3-4 times instead of the usual 2 times. C/F: Unilateral/bilateral iris coloboma Anal atresia Cleft palate Sho stature Hernias Renal abnormalities