PROPHASECopied DNA changes into chromosomesThe nucleolus disappears form the cell and the nuclearmembrane break downThe spindle fibers begin to form in the cell PHASES OF MITOSISProphaseMetaphaseAnaphaseTelophase
Mitosis occurs in the following circumstances:Development and growth. WHY IS MITOSISIMPORTANT ?Mitosis is important for the maintenance of the chromosomalset each cell formed receives chromosomes that are alike incomposition and equal in number to the chromosomes of theparent cell. MITOSISA type of cell division that results in two daughtercells each having the same number and kind ofchromosomes as the parent nucleus, typical ofordinary tissue growth.
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