EndodermCell LineageBlastocystEmbryonic Stem CellsEmbryo, MammalianExtraembryonic MembranesPhenotypeGene Expression Regulation, DevelopmentalGastrulaYolk SacSOXF Transcription FactorsEctodermMesodermCell DifferentiationGerm LayersAllantoisGATA6 Transcription FactorEmbryonic and Fetal DevelopmentEmbryonic DevelopmentEmbryonic InductionTrophoblastsBody PatterningIn Situ HybridizationVisceraChimeraSerous MembraneEmbryo, NonmammalianHomeodomain ProteinsTranscription FactorsPlacentaMorphogenesisMolecular Sequence DataNodal ProteinEmbryo LossMutationBase SequenceStem CellsAmnionBone Morphogenetic Protein 4ChorionChick EmbryoPregnancyHMGB ProteinsSignal TransductionBlastodermMice, TransgenicGene TargetingPrimitive StreakDNA-Binding ProteinsGATA4 Transcription FactorDosage Compensation, GeneticGenes, LethalZebrafish ProteinsGenomic ImprintingZebrafishGATA5 Transcription FactorMice, Inbred C57BLT-Box Domain ProteinsGerm CellsMice, KnockoutHepatocyte Nuclear Factor 3-betaRNA, MessengerBone Morphogenetic ProteinsPhylogenyDigestive SystemSOX Transcription FactorsPluripotent Stem CellsAmino Acid SequenceCells, CulturedModels, BiologicalOctamer Transcription Factor-3Mice, Mutant StrainsFibroblast Growth Factor 4TeratomaReverse Transcriptase Polymerase Chain ReactionOviparityX ChromosomeDNA PrimersTrans-ActivatorsGene ExpressionCell LineQuailVitelline DuctX Chromosome InactivationGenes, HomeoboxGATA Transcription FactorsGenotypeImmunohistochemistryXenopus ProteinsActivinsHigh Mobility Group ProteinsAllelesTretinoinEmbryo Culture TechniquesBlastocyst Inner Cell MassHyalinGene Expression ProfilingGene DeletionCrosses, GeneticChorioallantoic Membrane