title: Robertsonian chromosomal variation and identification of metacentric chromosomes in feral mice.
mesh_terms: D000818:Animals; D005075:Biological Evolution; D002875:Chromosomes; D003433:Crosses, Genetic; D005260:Female; D005298:Fertility; D008040:Genetic Linkage; D014644:Genetic Variation; D006579:Heterozygote; D007621:Karyotyping; D008297:Male; D008540:Meiosis; D051379:Mice; D008938:Mitosis; D011110:Polymorphism, Genetic; D012641:Selection, Genetic; D013557:Switzerland