Cloning, OrganismNuclear Transfer TechniquesClone CellsCloning, MolecularBlastocystEmbryo TransferNuclear ReprogrammingOocytesParthenogenesisEmbryo Culture TechniquesEmbryonic DevelopmentResearch Embryo CreationTissue DonorsEmbryo, MammalianHybrid CellsMolecular Sequence DataCattleBase SequenceCell NucleusFertilization in VitroFibroblastsEmbryonic and Fetal DevelopmentAmino Acid SequenceMorulaBlood DonorsGene Transfer TechniquesPregnancyAnimals, Genetically ModifiedLiving DonorsTotipotent Stem CellsBlastomeresPluripotent Stem Cells