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Stages of mitosis: Telophase and Cytokinesis


Telophase is the final stage of mitosis:

  • Marks the end of mitosis as nuclear division is complete
  • New nuclear envelopes form around each set of daughter chromosomes at the two poles.
  • Two new nuclei form within the cell.

Cytokinesis is the final step in cell replication, but lies outside the mitosis process. This is when the cell fully divides , giving two complete and genetically identical daughter cells.

Mitosis refers to the division of chromosomes, not the formation of a new cell. Although these processes are strongly linked, mitosis is considered to have ended before cytokinesis.

In an animal cell, a ring forms at the centre of the cytoplasm and contracts, dividing it in two. Two daughter cells are created with a newly formed nucleus in each.

The separation of plant cells occurs slightly differently.

Rather than contractile elements (made from cytoskeleton) forming, a cell plate (made from both cell membrane and cell wall) forms and spreads across the centre of the cell, dividing it in two.