title: X-Y exchanges in males of Drosophila hydei carrying the wmCo duplication.
mesh_terms: D000818:Animals; D002869:Chromosome Aberrations; D003433:Crosses, Genetic; D003434:Crossing Over, Genetic; D003582:Cytogenetics; D004330:Drosophila; D005260:Female; D006570:Heterochromatin; D008297:Male; D012730:Sex Chromosomes
chemical_list: D006570:Heterochromatin