Mammalian X-chromosomes: a new kind of composite-type X in the vole Arvicola scherman exitus Miller.
D000818:Animals; D001345:Autoradiography; D003582:Cytogenetics; D005260:Female; D006570:Heterochromatin; D007621:Karyotyping; D008297:Male; D012377:Rodentia / Q000166:cytology*; D012730:Sex Chromosomes
D006570:Heterochromatin