title: Studies on natural populations of Drosophila. XII. Heterosis and fitness characters in hybrids between different populations of Drosophila melanogaster.
mesh_terms: D000704:Analysis of Variance; D000818:Animals; D004330:Drosophila; D005260:Female; D014644:Genetic Variation; D005828:Genetics, Population; D006823:Hybrid Vigor; D006824:Hybridization, Genetic; D007178:Inbreeding; D008136:Longevity; D008297:Male; D010063:Ovum; D012098:Reproduction; D013696:Temperature