Linked from
The 6 pages that link to Anaphase, each with the reason it gives.
MitosisBroader topic: This is when duplicated chromosome copies are physically partitioned.
CytokinesisRelated: Its onset commonly triggers signals that initiate cytokinesis.
Cell-cycle checkpointRelated: Checkpoint release permits the transition into chromosome separation.
Mitotic spindleRelated: Spindle forces drive chromosome separation during this stage.