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The Chromosomal Complement Of The Yellow-Cheeked Vole, Virginia R. Rausch, Robert L. Rausch
The Chromosomal Complement Of The Yellow-Cheeked Vole, Virginia R. Rausch, Robert L. Rausch
Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications
The karyotype of Microtus xanthognathus (Leach) is described, based on material from one female and one male vole. The diploid chromosomal number was found to be 54, and the fundamental number 62. The metacentric X-chromosome was of medium size and averaged 6.6% of the haploid complement. The designated Y-chromosome was near acrocentric. The specific distinction of M. xanthognathus and Microtus chrotorrhinus (Miller) was confirmed by the recognition of major differences in karyotype and differences in fundamental number. The distributional history of M. xanthognathus is briefly discussed.