title: An analysis of natural hybridization between the pocket gophers, Thomomys bottae and Thomomys umbrinus, in Arizona.
mesh_terms: D000818:Animals; D001130:Arizona; D003433:Crosses, Genetic; D005260:Female; D006824:Hybridization, Genetic; D007621:Karyotyping; D008297:Male; D011247:Pregnancy; D012098:Reproduction; D012377:Rodentia