Chromosomes replicate to form 2 chromatids joined by a centromere., The nuclear membrane disappears., The chromosomes align along the equator of the cell and spindle fibres attach., Spindle fibres contract separating the chromatids., New nuclear membranes form around the separated chromosomes. , Cytoplasm splits and new cell membranes form..

排行榜

视觉风格

选项

切换模板

恢复自动保存: