title: H-Y antigen in nonmammalian vertebrates.
mesh_terms: D000663:Amphibians / Q000276:immunology; D000818:Animals; D001717:Birds / Q000276:immunology; D006182:H-Y Antigen / Q000235:genetics*; D010802:Phylogeny; D013045:Species Specificity; D014426:Turtles / Q000276:immunology; D014714:Vertebrates / Q000276:immunology*
chemical_list: D006182:H-Y Antigen