An attempt to induced crossing-over in males of Drosophila melanogaster with ovarian extract.
D000818:Animals; D002875:Chromosomes / Q000187:drug effects; D003434:Crossing Over, Genetic; D004330:Drosophila / Q000187:drug effects*; D005260:Female; D006579:Heterozygote; D008297:Male; D010053:Ovary; D014020:Tissue Extracts / Q000494:pharmacology*
D014020:Tissue Extracts