title: Unusually large sex chromosomes: new methods of measuring and description of karyotypes of six rodents (Myomorpha and Hystricomorpha) and one lagomorph (Ochontonidae).
mesh_terms: D000818:Animals; D006224:Cricetinae; D005260:Female; D007621:Karyotyping; D008297:Male; D008722:Methods; D012377:Rodentia; D012730:Sex Chromosomes