Cloning, OrganismEmbryo ResearchNuclear Transfer TechniquesCloning, MolecularClone CellsStem CellsMolecular Sequence DataBase SequenceAmino Acid SequenceDNA, ComplementarySequence Homology, Amino AcidSequence AlignmentSequence Homology, Nucleic AcidGenes, BacterialDNAEscherichia coliSequence Analysis, DNARNA, MessengerRestriction MappingPlasmidsChromosome MappingBlotting, NorthernGene LibraryRecombinant ProteinsPolymerase Chain ReactionBlotting, SouthernGene ExpressionNucleic Acid HybridizationGenesDNA, BacterialDNA Restriction EnzymesDNA PrimersPhylogenyOpen Reading Frames