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4. M (mitotic) phase:, , = M phase follows G2 phase. During this phase cell, , divides into two daughter cell with equal, , distribution of chromosome among daughter, cells. After M phase cell enter into G1 phase and, , next cell cycle is repeated. However, some cell, , after completion of mitosis do not enter into G1, , phase, those cell are referred as GO cells., , = M phase consists of following sub -phases;, , During prophase, the nuclear membrane, disappears, spindle fibers form, and DNA, condenses into chromosomes (sister, chromatids )., , During metaphase, the sister chromatids, align along the equator of the cell by attaching, their centromeres to the spindle fibers., , During anaphase, sister chromatids are, separated at the centromere and are pulled, towards opposite poles of the cell by the, mitotic spindle., , During telophase, chromosomes arrive at, opposite poles and unwind into thin strands, of DNA, the spindle fibers disappear, and the, nuclear membrane reappears.