Blastocyst Inner Cell MassBlastocystEmbryonic DevelopmentMorulaEmbryo Culture TechniquesTrophoblastsEmbryonic and Fetal DevelopmentEmbryo, MammalianEmbryo ImplantationBlastomeresOctamer Transcription Factor-3Cleavage Stage, OvumEmbryo TransferEndodermFertilization in VitroEctodermPregnancyChimeraZygoteEmbryonic Stem CellsGene Expression Regulation, DevelopmentalEctogenesisGerm LayersParthenogenesisNuclear Transfer TechniquesCulture TechniquesGATA6 Transcription FactorEmbryo Implantation, DelayedCloning, OrganismCell LineageCell CountCell DifferentiationEar, InnerOocytesTotipotent Stem CellsFetal ViabilityHMGB ProteinsFibroblast Growth Factor 4CryopreservationPluripotent Stem CellsZona PellucidaCells, CulturedCulture MediaMice, Inbred StrainsStem CellsMice, Inbred CBACell AggregationSOXF Transcription FactorsCattle