Cloning, OrganismEmbryo ResearchCloning, MolecularNuclear Transfer TechniquesStem CellsMolecular Sequence DataMammalsAmino Acid SequenceBase SequenceClone CellsDNA, ComplementarySequence Homology, Amino AcidSequence AlignmentSequence Analysis, DNASequence Homology, Nucleic AcidEscherichia coliGenes, BacterialDNARestriction MappingRNA, MessengerGene LibraryPlasmidsPhylogenyChromosome MappingRecombinant ProteinsPolymerase Chain ReactionBlotting, NorthernGene ExpressionBlotting, SouthernDNA, BacterialGenesNucleic Acid HybridizationDNA PrimersDNA Restriction EnzymesOpen Reading FramesSpecies SpecificityCell LineMutationGenomic LibraryTranscription, GeneticTissue DistributionDNA, RecombinantMultigene FamilyGenetic VectorsGenetic Complementation TestBacterial ProteinsOrgan SpecificityCosmidsTransfectionMolecular WeightCarrier ProteinsGene Expression Regulation