title: The nuclear DNA content of diploid and triploid Poeciliopsis and other poeciliid fishes with reference to the evolution of unisexual forms.
mesh_terms: D000818:Animals; D005075:Biological Evolution; D002467:Cell Nucleus / Q000032:analysis*; D004247:DNA / Q000032:analysis*; D004171:Diploidy; D004912:Erythrocytes / Q000032:analysis; D005399:Fishes; D005828:Genetics, Population; D010312:Parthenogenesis; D010783:Photometry; D011123:Polyploidy; D013045:Species Specificity
chemical_list: D004247:DNA