title: Allelic modulation in Paramecium aurelia heterozygotes. Study of G serotypes in syngen 1.
mesh_terms: D000483:Alleles; D002467:Cell Nucleus; D003227:Conjugation, Genetic; D003433:Crosses, Genetic; D005796:Genes; D005809:Genes, Regulator; D005827:Genetics, Microbial; D006579:Heterozygote; D010247:Paramecium; D010641:Phenotype; D012703:Serotyping