title: Chromosome phylogeny of Drosophila pachea and related species.
mesh_terms: D000818:Animals; D005075:Biological Evolution; D002875:Chromosomes; D004330:Drosophila / Q000145:classification*; D005260:Female; D006570:Heterochromatin; D006824:Hybridization, Genetic; D007621:Karyotyping; D008297:Male; D012469:Salivary Glands / Q000166:cytology
chemical_list: D006570:Heterochromatin