title: Evolutionary conservation of gene linkage.
mesh_terms: D000818:Animals; D005075:Biological Evolution; D002874:Chromosome Mapping; D005796:Genes; D008040:Genetic Linkage; D006649:Histocompatibility Antigens / Q000235:genetics; D006801:Humans; D006822:Hybrid Cells; D051379:Mice
chemical_list: D006649:Histocompatibility Antigens