The preparation of polytene chromosomes for localization of nucleic acid sequences, proteins, and chromatin conformation.
D000818:Animals; D001483:Base Sequence; D002843:Chromatin / Q000648:ultrastructure*; D002875:Chromosomes / Q000648:ultrastructure*; D004247:DNA / Q000032:analysis / Q000235:genetics*; D004330:Drosophila / Q000235:genetics; D008854:Microscopy, Electron; D009687:Nuclear Proteins / Q000032:analysis*; D012313:RNA / Q000032:analysis / Q000235:genetics*
D002843:Chromatin; D009687:Nuclear Proteins; D012313:RNA; D004247:DNA