Sperm preference in Drosophila melanogaster.
D000367:Age Factors; D000818:Animals; D002869:Chromosome Aberrations; D003433:Crosses, Genetic; D004331:Drosophila melanogaster; D005260:Female; D005306:Fertilization; D005838:Genotype; D008297:Male; D013094:Spermatozoa