title: Higher levels of organization in chromosomes.
mesh_terms: D000818:Animals; D001483:Base Sequence; D002417:Cattle; D002478:Cells, Cultured; D002843:Chromatin / Q000648:ultrastructure; D002875:Chromosomes / Q000648:ultrastructure*; D004247:DNA; D005057:Eukaryotic Cells; D000882:Haplorhini; D007399:Interphase; D008540:Meiosis; D008938:Mitosis; D008958:Models, Molecular; D012313:RNA
chemical_list: D002843:Chromatin; D012313:RNA; D004247:DNA