Amyaraw arzufan d yiwet seg talɣiwin n umyaraw amɣaw ur nderreg ara la s uzdammas (meiosis) wala s warruw. Amyaraw arzufan yettili-d d uwurman sɣur kra n yimuren n yimɣi am tersemt d uweggir neɣ sɣur n wemdan.