Mapping a Drosophila melanogaster "controlling element" by interallelic crossing over.
D000818:Animals; D002874:Chromosome Mapping; D003434:Crossing Over, Genetic; D004330:Drosophila; D005260:Female; D005796:Genes; D008297:Male; D009154:Mutation; D010641:Phenotype; D011995:Recombination, Genetic