title: Sister subchromatid exchanged segments and chromosome structure.
mesh_terms: D001973:Bromodeoxyuridine / Q000378:metabolism; D002842:Chromatids / Q000378:metabolism / Q000502:physiology* / Q000648:ultrastructure; D002843:Chromatin / Q000648:ultrastructure; D002875:Chromosomes / Q000648:ultrastructure*; D003434:Crossing Over, Genetic; D013194:Staining and Labeling
chemical_list: D002843:Chromatin; D001973:Bromodeoxyuridine