Follicular CystChimeraClone CellsEmbryo, MammalianEmbryo, NonmammalianChick EmbryoEmbryo ImplantationTissue DonorsBlastocystEmbryonic DevelopmentBlood DonorsEmbryo LossGene Expression Regulation, DevelopmentalEmbryonic and Fetal DevelopmentLiving DonorsFertilization in VitroCleavage Stage, OvumBlastomeresPregnancyMolecular Sequence DataBase SequenceEmbryo DispositionMorulaZygoteZebrafishCryopreservationCloning, MolecularAmino Acid SequenceGastrulaCloning, OrganismIn Situ HybridizationBody PatterningOocytesMorphogenesisCulture TechniquesNuclear Transfer TechniquesEmbryo ResearchRNA, MessengerMesodermSingle Embryo TransferEctogenesis