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
Chromosome are visualized through light microscope with resolution of - 
Select and explain. 
A. 5 Kb, B. 50 mb, C. 5 mb, D. 500 Kb
C: 5 mb
Answer: C: 5 mb 
Explanation: . 5 mb