SkinKeratinocytesUltraviolet RaysMelanocytesClone CellsFibroblastsEpidermisEmbryo, MammalianBlastocystCells, CulturedSkin NeoplasmsBlastomeresCleavage Stage, OvumSkin AgingDose-Response Relationship, RadiationEmbryonic DevelopmentEmbryo, NonmammalianMorulaZygoteEmbryonic and Fetal DevelopmentSkin Physiological PhenomenaEmbryo ImplantationChick EmbryoFertilization in VitroOocytesSkin, ArtificialPregnancyFetal ViabilityDermisUrochordataSkin DiseasesSkin PigmentationEmbryo TransferCulture TechniquesGene Expression Regulation, DevelopmentalEmbryo Culture TechniquesCryopreservationBase SequenceRNA, MessengerMolecular Sequence DataSkin AbsorptionFallopian TubesZona PellucidaSunlightAlpha-AmanitinMice, HairlessCulture MediaMice, Inbred ICRCell DifferentiationCell LineCysteamineCell DivisionNuclear Transfer TechniquesGene ExpressionMice, Inbred C57BLEthylene GlycolCloning, MolecularWound HealingMelaninsOvumTotipotent Stem CellsEmbryo LossCloning, OrganismMice, Inbred StrainsSkin TestsFertilizationParthenogenesisCattleCryoprotective AgentsCarbonic AcidAmino Acid SequenceAdministration, TopicalTime FactorsSperm Injections, IntracytoplasmicMorphogenesisDNAIn Situ HybridizationMicroscopy, FluorescencePyrimidine DimersDNA DamageMicroinjectionsOxidative StressSuperovulationMice, Inbred CBAEmbryonic InductionCell Line, TransformedMelanomaErythemaCell NucleusKeratinsMesodermPhotosensitizing AgentsTranscription, GeneticMutationChimeraCytochalasinsGene Expression RegulationSpermatozoaAmanitinsImmunohistochemistry