Nuclear transplantations between two  subspecies of Xenopus laevis, (Xenopus laevis laevis and Xenopus laevis petersi).
D000818:Animals; D001001:Anura; D000013:Congenital Abnormalities / Q000196:embryology*; D005314:Embryonic and Fetal Development; D005260:Female; D006824:Hybridization, Genetic; D008675:Metamorphosis, Biological; D053652:Nuclear Transfer Techniques; D010063:Ovum; D011123:Polyploidy; D014184:Transplantation, Homologous