title: Relationship between DNA content of polytene chromosome bands and heterochromatisation in Drosophila.
mesh_terms: D000818:Animals; D002875:Chromosomes / Q000032:analysis*; D004247:DNA / Q000032:analysis*; D003720:Densitometry; D004331:Drosophila melanogaster / Q000166:cytology*; D005838:Genotype; D006570:Heterochromatin / Q000032:analysis*; D012469:Salivary Glands / Q000166:cytology; D013045:Species Specificity; D013194:Staining and Labeling
chemical_list: D006570:Heterochromatin; D004247:DNA