title: Directed genetic change model for X chromosome inactivation in eutherian mammals.
mesh_terms: D000818:Animals; D005075:Biological Evolution; D005823:Genetics; D006579:Heterozygote; D008322:Mammals; D008394:Marsupialia; D008540:Meiosis; D051379:Mice; D008954:Models, Biological; D012730:Sex Chromosomes