Cloning, OrganismEmbryo ResearchNuclear Transfer TechniquesStem CellsCloning, MolecularClone CellsMolecular Sequence DataBase SequenceAmino Acid SequenceDNA, ComplementarySequence Homology, Amino AcidDNASequence Analysis, DNASequence Homology, Nucleic AcidRNA, MessengerSequence AlignmentPolymerase Chain ReactionNucleic Acid HybridizationEscherichia coliChromosome MappingGenes, BacterialGenesBlotting, SouthernCell LinePlasmidsPhylogenyBlotting, NorthernGene ExpressionDNA, BacterialRecombinant Proteins