This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
Which chromosomal anomaly is associated with 'Cat eye syndrome'? 
Select and explain. 
A. Paial trisomy 18, B. Paial trisomy 13, C. Paial trisomy 21, D. Paial trisomy 22
D: Paial trisomy 22
Answer: D: Paial trisomy 22 
Explanation: Cat eye Syndrome is a congenital malformation syndrome associated with the presence of trisomy or tetrasomy of a segment of chromosome 22q11.2 Ref: Atlas of Genetic Diagnosis And Counseling, Humana Press, 2006; Hereditary Hearing Loss and Its Syndromes, Oxford University Press, 1995, Page 363; Inherited Cardiac Disease, Oxford University Press, 14-Jul-2011, Page 120; Dorland's 28th Edition, Page 1626