title: Unscheduled DNA synthesis in hen erythrocyte nuclei reactivated in heterokaryons.
mesh_terms: D000818:Animals; D001345:Autoradiography; D002459:Cell Fusion; D002467:Cell Nucleus / Q000378:metabolism; D002645:Chickens; D004247:DNA / Q000096:biosynthesis* / Q000528:radiation effects; D004260:DNA Repair; D004912:Erythrocytes / Q000378:metabolism* / Q000528:radiation effects; D005347:Fibroblasts; D006367:HeLa Cells; D006801:Humans; D008722:Methods; D011830:Radiation Effects; D051381:Rats; D013936:Thymidine / Q000378:metabolism; D014316:Tritium; D014466:Ultraviolet Rays; D014983:Xeroderma Pigmentosum
chemical_list: D014316:Tritium; D004247:DNA; D013936:Thymidine