title: Polytene chromosome structure at the submicroscopic level. II. Length distribution of DNA molecules from polytene chromosomes of Drosophila melanogaster and D. hydei.
mesh_terms: D000818:Animals; D002875:Chromosomes; D004247:DNA; D004330:Drosophila; D008297:Male; D008854:Microscopy, Electron; D009691:Nucleic Acid Denaturation; D012469:Salivary Glands / Q000166:cytology; D013094:Spermatozoa / Q000166:cytology
chemical_list: D004247:DNA