Given the task definition and input, reply with output. Given a scientific passage and an answer, generate a question for the given answer.

Passage: Metaphase II: The chromosomes line up one on top of each other along the middle of the cell, similar to how they line up in mitosis. The spindle is attached to the centromere of each chromosome. Answer: metaphase ii
In which stage do chromosomes line up one on top of each other along the middle of the cell, similar to how they line up in mitosis?