title: Origin of chromosomal abnormalities in nuclear transplants--a reevaluation of nuclear differentiation and nuclear equivalence in amphibians.
mesh_terms: D000818:Animals; D001001:Anura; D002454:Cell Differentiation; D002869:Chromosome Aberrations / Q000196:embryology*; D025063:Chromosome Disorders; D004626:Embryology / Q000266:history; D005854:Germ Cells; D049673:History, 20th Century; D053652:Nuclear Transfer Techniques; D014184:Transplantation, Homologous