This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Genetics And Genetic Disorders, Subject name: Pediatrics
Trisomy 13 is: 
Select and explain. 
A. Patau syndrome, B. Edward syndrome, C. Down syndrome, D. Di George syndrome
A: Patau syndrome
Answer: A: Patau syndrome 
Explanation: a. Patau syndrome(Ref: Nelson's 20/e p 590, Ghai 8/e p 641)Important features of Trisomy 13 (Patau Syndrome)"CMC DOCTOR OPD"C: Cutis aplasiaD: DeafnessO: Others (Renal abnormalities)M: Microphthalmia, MicrocephalyO: Ocular hypotelorismP: PolydactylyC: Congenital Heart diseasesC: Cleft lip & cleft palateD: Developmental delayT: Trisomy 13O: hOLOprosencephalyR: Rib abnormalities