title: Chromosome structure.
mesh_terms: D000663:Amphibians; D000818:Animals; D001419:Bacteria; D002843:Chromatin; D002875:Chromosomes; D004247:DNA; D004261:DNA Replication; D056890:Eukaryota; D005796:Genes; D006657:Histones / Q000502:physiology; D007313:Insecta; D008854:Microscopy, Electron; D008938:Mitosis; D008954:Models, Biological
chemical_list: D002843:Chromatin; D006657:Histones; D004247:DNA