After Prophase is Metaphase. In Metaphase, the chromosomes line up across the center of the cell, and each chromosome attaches to a spindle fiber at its centromere, which still holds the chromatids together.
After Metaphase is Anaphase, During Anaphase, the centromeres split, the two chromatids separate, one chromatid moves along the spindle fiber to one end of the cell. The other chromatid moves to the opposite end, and the cell becomes stretched out as the opposite ends pull apart.
After Anaphase is Telophase. During Telophase, the chromosomes begin to stretch out and lose their rod-like appearance. This occurs in the two regions at the ends of the cell, and a new nuclear membrane forms around each region of chromosomes.