title: Demonstration of the cutting of DNA molecules during somatic crossing over.
mesh_terms: D002869:Chromosome Aberrations; D002875:Chromosomes / Q000528:radiation effects; D003434:Crossing Over, Genetic; D004247:DNA / Q000528:radiation effects; D004260:DNA Repair; D005720:Gamma Rays; D019684:Magnoliopsida / Q000528:radiation effects / Q000648:ultrastructure; D008938:Mitosis; D011123:Polyploidy; D011831:Radiation Genetics
chemical_list: D004247:DNA