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What is Mitosis?

Mitosis is a type of cell division that results in two daughter cells that each have the same number and kind of chromosomes as the parent nucleus.


  • In Interphase, the chromosomes duplicate and the copies remain attached to each other.
  • In Prophase chromosomes condense inside the nucleus and become visible. In the cytoplasm, the spindle apparatus forms.
  • In Metaphase, the nuclear membrane breaks apart and the spindle apparatus starts to interact with the chromosomes.
  • In Anaphase, the copied chromosomes align in the middle of the spindle apparatus.
  • In Telophase, nuclear membranes form around each of the two sets of chromosomes, the chromosomes begins to spread out, and the spindle apparatus begins to break down.
  • In Cytokinesis, the cell splits into two daughter cells, each with the same number of chromosomes as the parent.