title: On the problem of regional gene duplication in diploid fish of the orders Ostariophysi and Isospondyli.
mesh_terms: D000818:Animals; D001219:Aspartate Aminotransferases / Q000032:analysis; D003530:Cyprinidae; D004171:Diploidy; D004592:Electrophoresis, Starch Gel; D005796:Genes; D005956:Glucose-6-Phosphate Isomerase / Q000032:analysis; D007527:Isoenzymes / Q000032:analysis; D010641:Phenotype; D010734:Phosphogluconate Dehydrogenase / Q000032:analysis; D011123:Polyploidy; D012487:Salmonidae
chemical_list: D007527:Isoenzymes; D010734:Phosphogluconate Dehydrogenase; D001219:Aspartate Aminotransferases; D005956:Glucose-6-Phosphate Isomerase