New compound (1) chromosomes and the production of large quantities of X/O males in Drosophila hydei.
D000782:Aneuploidy; D000818:Animals; D002875:Chromosomes / Q000648:ultrastructure; D004261:DNA Replication; D004330:Drosophila; D005796:Genes; D010641:Phenotype; D012730:Sex Chromosomes / Q000648:ultrastructure*