title: An estimate of heterosis in Drosophila melanogaster.
mesh_terms: D000818:Animals; D002875:Chromosomes; D003433:Crosses, Genetic; D004331:Drosophila melanogaster; D005787:Gene Frequency; D005828:Genetics, Population; D006579:Heterozygote; D006720:Homozygote; D006823:Hybrid Vigor; D006824:Hybridization, Genetic; D008433:Mathematics; D012641:Selection, Genetic; D013997:Time Factors