title: Distribution of DNA in heterochromatin and euchromatin of polytene nuclei of Drosophila hydei.
mesh_terms: D000818:Animals; D001345:Autoradiography; D001921:Brain / Q000166:cytology; D002467:Cell Nucleus / Q000032:analysis*; D004247:DNA / Q000032:analysis*; D004261:DNA Replication; D004330:Drosophila / Q000166:cytology; D008938:Mitosis; D010783:Photometry
chemical_list: D004247:DNA