1st, Prophase ll: Chromosomes condense and the nuclear envelope breaks down if needed. The centrosomes move apart, the spindle forms between them, and the spindle microtubules begin to capture chromosomes.
2nd, Metaphase ll: The paired chromosomes line up.
3rd, Anaphase ll: The chromatids split at the centromere and migrate along the spindle fibers to opposite poles.
4th, Telophase ll and Cytokinesis: The cells pinch in the center and divide again, creating two daughter cells.