title: Structure of mammalian chromosomes.
mesh_terms: D000818:Animals; D001483:Base Sequence; D005075:Biological Evolution; D002467:Cell Nucleus / Q000648:ultrastructure; D002842:Chromatids / Q000648:ultrastructure; D002875:Chromosomes / Q000187:drug effects / Q000648:ultrastructure*; D004247:DNA / Q000096:biosynthesis; D006570:Heterochromatin / Q000032:analysis; D006801:Humans; D007621:Karyotyping; D008540:Meiosis; D009698:Nucleoproteins / Q000378:metabolism; D011485:Protein Binding; D013194:Staining and Labeling
chemical_list: D006570:Heterochromatin; D009698:Nucleoproteins; D004247:DNA