Mitosis is when cells ____, so organisms can ____ and repair. Before the cell divides, DNA is ____ (replicated) - so there is a copy in each of the new ____. DNA is in the form of X-shaped ____. Human cells have ____ chromosomes. Mitosis is when: 1. The chromosomes ____ at the centre of the cell 2. The ____ of each chromosome are pulled apart to opposite sides of the cell. 3. This divides the ____ and the cell now splits into ____ cells.

B2.1 Mitosis

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