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
Mutation in COL4A5 chain the diagnosis 
Select and explain. 
A. Alpo's syndrome, B. Good pasture's syndrome, C. Hereditary Non-polyposis Colon Cancer, D. Xeroderma Pigmentosum
A: Alpo's syndrome
Answer: A: Alpo's syndrome 
Explanation: Ans. a. Alpo's syndrome