title: Cytogenetic and biochemical differences between Apodemus sylvaticus and Apodemus flavicollis, possibly responsible for the failure to interbreed.
mesh_terms: D000818:Animals; D001798:Blood Proteins / Q000032:analysis; D001947:Breeding; D003582:Cytogenetics; D004586:Electrophoresis; D004798:Enzymes / Q000032:analysis / Q000097:blood; D006824:Hybridization, Genetic; D007527:Isoenzymes; D007621:Karyotyping; D007668:Kidney / Q000201:enzymology; D007770:L-Lactate Dehydrogenase / Q000097:blood; D008099:Liver / Q000201:enzymology; D008297:Male; D051379:Mice; D009132:Muscles / Q000201:enzymology; D009206:Myocardium / Q000201:enzymology; D013045:Species Specificity; D013737:Testis / Q000201:enzymology
chemical_list: D001798:Blood Proteins; D004798:Enzymes; D007527:Isoenzymes; D007770:L-Lactate Dehydrogenase