Isomorphic sex-chromosomes in two Venezuelan populations of the spiny rat, genus Proechimys (Rodentia, Caviomorpha).
D000818:Animals; D001854:Bone Marrow Cells; D005260:Female; D005828:Genetics, Population; D007621:Karyotyping; D008297:Male; D051381:Rats; D012730:Sex Chromosomes; D013045:Species Specificity; D014687:Venezuela