Cell Cycle Checkpoint Simulator
See how checkpoints normally stop damaged cells, and how cancer bypasses them
G1
Cell growth
→
S
DNA replication
→
G2
Prepare division
→
M
Mitosis
Click a phase to inspect its checkpoint.
🔥 Mutate Oncogene
💥 Knockout Tumour Suppressor
🔧 Repair DNA
Reset
Normal cells have checkpoints; cancer cells lose them through mutation.
Inspected a checkpoint
Activated an oncogene
Knocked out p53