G2 Checkpoint

Definition

This checkpoint ensures that all chromosomes have been replicated without any damage before mitosis begins. It also checks that all necessary proteins are available for mitosis.

Related terms

M Phase: The phase of the cell cycle where mitosis and cytokinesis occur, resulting in cell division.

DNA Damage Response: A network of cellular pathways that detect, signal, and repair DNA lesions.

Prophase:

The first stage of mitosis when chromatin condenses into visible chromosomes.