title: Mutations affecting fitness in Drosophila populations.
mesh_terms: D000818:Animals; D005075:Biological Evolution; D002875:Chromosomes; D004330:Drosophila / Q000235:genetics* / Q000254:growth & development; D004331:Drosophila melanogaster / Q000235:genetics / Q000254:growth & development; D005298:Fertility; D005796:Genes; D005799:Genes, Dominant; D005804:Genes, Lethal; D006579:Heterozygote; D006720:Homozygote; D006824:Hybridization, Genetic; D009154:Mutation; D010641:Phenotype; D013223:Statistics as Topic