Cloning, OrganismEmbryo ResearchNuclear Transfer TechniquesStem CellsCloning, MolecularEmbryo, MammalianEmbryo ImplantationBlastocystBlastomeresEmbryonic DevelopmentClone CellsEmbryo, NonmammalianFertilization in VitroMolecular Sequence DataChick EmbryoEmbryonic and Fetal DevelopmentPersonhoodBase SequenceAmino Acid SequenceBeginning of Human LifePregnancyEmbryo DispositionCryopreservationEmbryo Culture TechniquesEmbryo TransferDNA, ComplementaryGene Expression Regulation, DevelopmentalLifePregnancy RateZygotePreimplantation DiagnosisCulture TechniquesValue of LifeAnatomy, ArtisticMosaicismSequence Homology, Amino AcidTheologyMorulaRNA, MessengerResearch Embryo CreationEctogenesisEmbryologyIncubatorsOocytesSperm Injections, IntracytoplasmicSingle Embryo TransferDNAFetal ResearchPrenatal InjuriesCell LineTime FactorsMoralsEthylene GlycolEmbryo LossGestational AgeGene ExpressionIn Situ HybridizationPolymerase Chain ReactionFetal ViabilityReproductive TechniquesSequence Analysis, DNAMutationCryoprotective AgentsVitrificationHuman CharacteristicsSequence AlignmentAneuploidyTrophoblastsCleavage Stage, OvumSequence Homology, Nucleic AcidGamete Intrafallopian TransferCulture MediaMorphogenesisPregnancy OutcomeMesodermYolk SacFetusPhenotypeNucleic Acid HybridizationCell DifferentiationFertilizationGerm LayersEscherichia coliEmbryonic Stem CellsZona PellucidaZebrafishCatholicismTranscription, GeneticChromosome MappingTotipotent Stem CellsThiepinsTranscription FactorsPlasmidsNontherapeutic Human ExperimentationChromosome AberrationsPhylogenyDNA PrimersRecombinant ProteinsGenes, BacterialIn Situ Hybridization, Fluorescence