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: Medicine
Long arm chromosome 5 deletion is seen in - 
Select and explain. 
A. Crohn's disease, B. Ulcerative colotis, C. Polyposis coli, D. Pheochromocytoma
C: Polyposis coli
Answer: C: Polyposis coli 
Explanation: None