title: Structural basis of quantitative variation in nuclear DNA.
mesh_terms: D002467:Cell Nucleus / Q000032:analysis*; D002875:Chromosomes; D004247:DNA / Q000032:analysis*; D008540:Meiosis; D008938:Mitosis; D010783:Photometry; D010944:Plants / Q000032:analysis
chemical_list: D004247:DNA