Metaphase Checkpoint

Definition

The metaphase checkpoint is a control mechanism in cell division that ensures all chromosomes are properly attached to the spindle fibers before proceeding to anaphase.

Related terms

Anaphase:

This is the stage in mitosis or meiosis following metaphase where replicated chromosomes split and move towards opposite poles of the cell.

Spindle Fibers: These are protein structures that form during cell division to separate sister chromatids between daughter cells.

Cell Cycle Checkpoints:

These are control mechanisms in eukaryotic cells which ensure proper division of the cell.