title: Evidence for ancient tetraploidy and conservation of linkage groups in mammalian chromosomes.
mesh_terms: D000818:Animals; D005075:Biological Evolution; D002874:Chromosome Mapping; D006224:Cricetinae; D008040:Genetic Linkage; D006801:Humans; D007621:Karyotyping; D051379:Mice; D011123:Polyploidy