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: Medicine
Mitosis is arrested in ________ phase by using colchicine in cytogenetic analysis. 
Select and explain. 
A. Prophase, B. Metaphase, C. Anaphase, D. Telophase
B: Metaphase
Answer: B: Metaphase 
Explanation: None