title: DNA injections into Xenopus embryos: fate of injected DNA in relation to formation of embryonic nuclei.
mesh_terms: D000818:Animals; D010582:Bacteriophage lambda; D002467:Cell Nucleus / Q000166:cytology / Q000648:ultrastructure; D002970:Cleavage Stage, Ovum; D004247:DNA / Q000235:genetics*; D008845:Microinjections; D014981:Xenopus / Q000196:embryology*
chemical_list: D004247:DNA