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
HLA is present on chromosome: 
Select and explain. 
A. Sho arm chromosome 6, B. Long arm chromosome 6, C. Sho arm chromosome 3, D. Long arm chromosome 3
A: Sho arm chromosome 6
Answer: A: Sho arm chromosome 6 
Explanation: Sho arm chromosome 6