Cell cycle

4,1,2,3

2,3,1,4

1,2,3,4

4,1,3,2

Metaphase

Telophase

Interphase

Prophase

Anaphase

Prophase I

Metaphase 1

Anaphase 1

Telophase 1

Anaphase II

G₁ checkpoint

S checkpoint

G₂ checkpoint

M checkpoint

G₁ checkpoint at the G₁/S transition

G₂ checkpoint at the G₂/M transition

Spindle checkpoint, transition from metaphase and anaphase

G₀ checkpoint, transition from metaphase and anaphase

DNA integrity (Is any part of the DNA damaged?)

DNA replication (Is the DNA replication completed in the S phase?)

Cell’s size (Does the cell large increase its size or large enough for cell division?)

Nutrients (Does the cell have enough reserve energy and nutrients for cell division?)