This document describes the stages of cell division: Interphase where the cell is ready to divide, Prophase where the chromosomes duplicate, Prometaphase where the nucleus breaks down and spindle fibers attach to chromosomes, Metaphase where chromosomes align in the center, Anaphase where chromatids separate and move to opposite poles, Telophase where chromosomes reach the poles, Cytokinesis where the cell divides into two daughter cells, and the cells return to Interphase ready to divide again.

1. Interphase This is a normal cell. Cells like this is in its normal state, making protein and copying DNA, and is ready to divide.

4. Prophase The chromosomes starts to duplicate its self and the cytoskeleton, that is responsible for keeping the cells shape, starts to attach to the chromosomes

6. Prometaphase The Nucleus starts to break down and fade and the mitotic spindle fibres elongate from the centrosomes and attach to kinetochores, protein bundles at the centromere region on the chromosomes where sister chromatids are joined together.

7. Metaphase Tension is applied which makes the spindle fibres align in the centre of the cell, like a straight line.

9. Anaphase As the kinetochores separate the spindle fibres shorten, the chromatids are pulled in the opposite direction pulling to the “north” and “south” pole of the cell.

12. Telaphase The chromosomes arrive at the other end or the “poles” and the spindle fibres which pulled them start to fade.

13. Cytokinesis The spindle fibres which are not attached to the chromosomes start to break down until only that portion of overlap is left in the cell. Microtubules then reorganize into a new cytoskeleton for the return to interphase.

14. Interphase Back to interphase the cells are now duplicate and is ready to continue to make proteins and DNA.