the chromosomes double and the dna repictaes, the chromatitds join toether by centriomere and the chromososmes arent visible and uses ATP as energy
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propahse
chromosomes condense, centrioles divide to opposoite poles of the cell, protein microtubias form ans spindle fibres develop, neclear membrane disintergrates
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metaphase
chromosomes arragne themselves in the centre and become attatches to spinde fibres in centriomere, contarctions of fibres draws chromatids apart
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anaphase
centromer splits and spindle fibres contarcat pulling the cromatids to the poles
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