Retinal Photoreceptor Cell Inner SegmentBlastocyst Inner Cell MassBlastocystEmbryonic DevelopmentEmbryo, MammalianEar, InnerTrophoblastsMorulaBlastomeresOctamer Transcription Factor-3Gene Expression Regulation, DevelopmentalEndodermEmbryonic and Fetal DevelopmentEmbryonic Stem CellsEmbryo, NonmammalianEctodermEmbryo Culture TechniquesCleavage Stage, OvumCell DifferentiationChimeraCell AggregationCell LineageEmbryo ImplantationTotipotent Stem CellsZygoteNuclear Transfer TechniquesGerm LayersPregnancyParthenogenesisGATA6 Transcription FactorCells, CulturedGastrulaTeratomaOocytesEmbryo TransferHair Cells, Auditory, InnerCell CountFertilization in VitroStem CellsEctogenesisMolecular Sequence DataHMGB ProteinsTranscription FactorsCulture TechniquesHomeodomain ProteinsCloning, OrganismVitellinsFibroblast Growth Factor 4MorphogenesisCell DivisionXenopus ProteinsEmbryo LossCell LineGenes, LethalMice, Inbred StrainsBase SequenceChick EmbryoRNA, MessengerCaenorhabditis elegansSOXF Transcription FactorsCell NucleusCulture MediaGerm CellsFertilizationIn Situ HybridizationDNA-Binding ProteinsXenopus laevisFetal ViabilityXenopusMitosisMicroscopy, Phase-ContrastAmino Acid SequenceCarcinoma, EmbryonalCell Culture TechniquesTime FactorsMice, Inbred C57BLOvumMicroscopy, ElectronMice, Inbred CBAEmbryo Implantation, DelayedGrowth Differentiation Factor 3CattleMesodermTeratocarcinomaBlastulaMice, Inbred ICRImmunohistochemistryZona PellucidaModels, BiologicalSOXB1 Transcription FactorsBody PatterningGene TargetingFluorescent Antibody TechniqueSignal TransductionEmbryonal Carcinoma Stem CellsMutationCaenorhabditis elegans ProteinsZebrafishOvotesticular Disorders of Sex DevelopmentMicroscopy, Confocal