title: Genetical approaches to taxonomy.
mesh_terms: D000818:Animals; D005075:Biological Evolution; D002965:Classification; D003817:Dentition; D005796:Genes; D005823:Genetics; D006579:Heterozygote; D006801:Humans; D051379:Mice; D008963:Molar; D009103:Multiple Sclerosis / Q000453:epidemiology / Q000235:genetics; D009664:Norway; D011110:Polymorphism, Genetic; D012376:Rodent Diseases / Q000453:epidemiology; D012377:Rodentia / Q000145:classification; D016135:Spinal Dysraphism / Q000662:veterinary; D006113:United Kingdom