title: ALLELES TU-1 AND TU-1+ IN NATURAL AND EXPERIMENTAL POPULATIONS OF DROSOPHILA MELANOGASTER.
mesh_terms: D000483:Alleles; D000818:Animals; D004330:Drosophila; D004331:Drosophila melanogaster; D005796:Genes; D005823:Genetics; D012621:Seasons; D013696:Temperature; D014481:United States
keywords: DROSOPHILA; GENES; GENETICS; SEASONS; TEMPERATURE; UNITED STATES