Chromosomal, Electrophoretic, and Breeding Studies of Selected Populations of Deer Mice (Peromyscus maniculatus) and Black-Eared Mice (P. melanotis)
- 1 September 1973
- journal article
- Published by Oxford University Press (OUP) in Evolution
- Vol. 27 (3) , 378
- https://doi.org/10.2307/2407301
Abstract
An unusual amount of chromosomal polymorphism and geographic variation in chromosomes and electrophoretic pattern have been reported for Peromyscus maniculatus. Karyological, electrophoretic and breeding data indicate that populations of Peromyscus from the Chiricahua, Pinaleno and Santa Catalina Mountains in southern Arizona are conspecific with P. melanotis, not with P. maniculatus. These data also argue against the assumptions that monomorphism in the isolated populations arose by drift. Rather they support a model of centrifugal speciation.Keywords
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