title: Polymorphisms for human chromosomes 1 and Y. Feulgen and UV DNA measurements.
mesh_terms: D002875:Chromosomes / Q000032:analysis*; D002900:Chromosomes, Human, 1-3; D004247:DNA / Q000032:analysis*; D006570:Heterochromatin / Q000032:analysis; D006801:Humans; D010783:Photometry; D011110:Polymorphism, Genetic; D012730:Sex Chromosomes / Q000032:analysis*; D013194:Staining and Labeling; D014466:Ultraviolet Rays
chemical_list: D006570:Heterochromatin; D004247:DNA