title: Letter to the editor: Fertility in Drosophila.
mesh_terms: D000818:Animals; D002874:Chromosome Mapping; D003105:Colombia; D003433:Crosses, Genetic; D004330:Drosophila; D005260:Female; D005298:Fertility; D005828:Genetics, Population; D006824:Hybridization, Genetic; D007248:Infertility, Male; D008297:Male; D014481:United States