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: Biochemistry
[{'content': 'Chromosomes 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: Chromosomes are visualized through light microscope with resolution of 5 mb.Karyotype analysis:Organize all chromosomes by homology, size and shape.Provide an overview of the whole genome.Detect both numerical and structural chromosomal aberrations (overall resolution is 5 Mega bases (Mb); breakpoint resolution is 5 to 15 Mb).', 'role': 'assistant'}]