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': 'Retinoblastoma gene is located on – \nSelect and explain. \nA. Chromosome 5, B. Chromosome 8, C. Chromosome 13, D. Chromosome 16', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]