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Description of stages of cell cycle. Note there are three major checkpoints at which cell cycle may arrest (Cooper and Hausman, 2007)
| Cell Cycle Phase | Description |
|---|---|
| G1 | Growth phase, decision to proceed through division made, checkpoint: Enough nutrients present and cell health |
| S | DNA synthesis occurs |
| G2 | Checkpoint: Cell is critical size and DNA synthesis and repair are complete |
| M | Mitosis occurs, checkpoint on chromosome alignment before cell division |
