During anaphase II, the chromatids split at the centromere and are pulled to opposite ends of the cell.

Anaphase II
Anaphase II Macroevolution.net Two illustrations and description.
Anaphase ii
Anaphase ii BiologyOnline.org Definition of anaphase II.
Meiosis II: Anaphase II
Meiosis II: Anaphase II, Prentice Hall BioCoach Activity, Text and animation.