title: Interspecies crosses in Paramecium aurelia (syngen 4 by syngen 8).
mesh_terms: D000818:Animals; D002455:Cell Division; D002470:Cell Survival; D002999:Clone Cells; D003433:Crosses, Genetic; D003470:Culture Media; D005111:Extrachromosomal Inheritance; D005306:Fertilization; D005796:Genes; D005816:Genetic Complementation Test; D006824:Hybridization, Genetic; D010247:Paramecium / Q000201:enzymology / Q000254:growth & development / Q000502:physiology*; D010641:Phenotype; D011995:Recombination, Genetic; D013696:Temperature
chemical_list: D003470:Culture Media