title: [Activity of nucleolar organizer regions of Chinese hamster chromosomes in clones of different ploidies].
abstract: Activity of nucleolar organizer regions was analyzed in hypodiploid and hypotetraploid clones of Chinese hamster cells. The quantity of the nucleolar organizers was directly proportional to ploidy. It is evidence of autonomous activity of the nucleolar organizers in Chinese hamster chromosomes.
mesh_terms: D000818:Animals; D002875:Chromosomes / Q000648:ultrastructure*; D002999:Clone Cells / Q000648:ultrastructure; D006224:Cricetinae; D007621:Karyotyping; D009697:Nucleolus Organizer Region / Q000648:ultrastructure*; D011003:Ploidies
vernacular_title: Izuchenie aktivnosti iadryshkoobrazuiushchikh raĭonov khromosom kitaĭskogo khomiachka v klonakh razlichnoĭ ploidnosti.