title: [Mechanisms maintaining genetic variability within a population (13)].
mesh_terms: D000818:Animals; D001522:Behavior, Animal; D002874:Chromosome Mapping; D004330:Drosophila / Q000235:genetics*; D004331:Drosophila melanogaster / Q000235:genetics; D014644:Genetic Variation; D005828:Genetics, Population; D005838:Genotype; D007564:Japan; D009154:Mutation; D010641:Phenotype