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: Pathology
Cri du chat syndrome involve: 
Select and explain. 
A. Chromosome 13, B. Chromosome 18, C. Chromosome 22, D. Chromosome 5
D: Chromosome 5
Answer: D: Chromosome 5 
Explanation: Cri du chat (named after cry of infant like that of a cat) syndrome occurs due to deletion of short arm of chromosome 5.
Mohan H. Textbook of pathology. Jaypee Brothers Medical Publishers; 2015. Edition 7. Page 254