title: Zonal fractionation of mammalian metaphase chromosomes and determination of their DNA content.
mesh_terms: D000818:Animals; D001853:Bone Marrow / Q000032:analysis; D001854:Bone Marrow Cells; D002458:Cell Fractionation; D002460:Cell Line; D002499:Centrifugation, Density Gradient; D002842:Chromatids / Q000032:analysis; D002875:Chromosomes / Q000032:analysis; D003124:Colorimetry; D003201:Computers; D006224:Cricetinae; D003470:Culture Media; D003582:Cytogenetics; D004247:DNA / Q000032:analysis*; D004171:Diploidy; D007621:Karyotyping; D008853:Microscopy; D008938:Mitosis; D013194:Staining and Labeling
chemical_list: D003470:Culture Media; D004247:DNA