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
[{'content': 'Chromosome are visualized through light microscope with resolution of - \nSelect and explain. \nA. 5 Kb, B. 50 mb, C. 5 mb, D. 500 Kb', 'role': 'user'}, {'content': 'Answer: C \nExplanation: . 5 mb', 'role': 'assistant'}]