Cloning, OrganismEmbryo ResearchNuclear Transfer TechniquesCloning, MolecularStem CellsMolecular Sequence DataClone CellsBase SequenceAmino Acid SequenceDNA, ComplementarySequence Homology, Amino AcidSequence AlignmentSequence Analysis, DNADNAEscherichia coliSequence Homology, Nucleic AcidGenes, BacterialRNA, MessengerRestriction MappingPlasmidsPolymerase Chain ReactionChromosome MappingRecombinant ProteinsBlotting, NorthernGene LibraryGene ExpressionBlotting, SouthernPhylogenyNucleic Acid HybridizationGenesDNA, BacterialDNA PrimersCell LineDNA Restriction EnzymesOpen Reading FramesMutation