mitosis

when does mitosis take place

an organism grows

when organism becomes damaged

step 1 of mitosis

cells begin to divide

step 2 of mitosis

dna replicates to form 2 copies of each chromosome ( x and y)

step 3 of mitosis

chromosomes line up in the centre of the cell

step 4 of mitosis

1 set of chromosomes is pulled to each side of the cell and the nucleus divides

the final step is

the cytoplasm and cell membrane divide to form 2 identical cells