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
[{'content': "The gene for Wilson's disease is on - \nSelect and explain. \nA. Long arm of Chromosome 13, B. Long arm of Chromosome 6, C. Sho arm of Chromosome 13, D. Sho arm of Chromosome 6", 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Long arm of Chromosome 13", 'role': 'assistant'}]