Embryo ResearchCloning, OrganismSheepCloning, MolecularMammalsSheep DiseasesMolecular Sequence DataClone CellsBase SequenceAmino Acid SequenceSheep, DomesticSequence Homology, Amino AcidDNA, ComplementarySequence Analysis, DNASequence AlignmentEscherichia coliSequence Homology, Nucleic AcidRNA, MessengerGenes, BacterialDNAPhylogenyPlasmidsPolymerase Chain ReactionRecombinant ProteinsRestriction MappingChromosome MappingGenesNucleic Acid HybridizationGene ExpressionSpecies SpecificityBlotting, SouthernDNA, BacterialCell LineBlotting, NorthernDNA PrimersDNA Restriction EnzymesMutationTranscription, GeneticGene LibraryDNA, RecombinantOpen Reading FramesSheep, BighornCattleBacterial ProteinsMultigene FamilyGoatsGenomic LibraryGene Expression RegulationGenetic Complementation TestTissue DistributionPhenotypeGenetic VectorsBiological EvolutionEvolution, MolecularCarrier ProteinsJaagsiekte sheep retrovirusCosmidsOrgan SpecificityConserved SequenceKineticsGenetic VariationPromoter Regions, GeneticChickensTime FactorsReverse Transcriptase Polymerase Chain ReactionLiverRecombinant Fusion ProteinsCricetinaeSubstrate SpecificityTransfectionRepetitive Sequences, Nucleic AcidMembrane ProteinsIn Situ HybridizationElectrophoresis, Polyacrylamide GelBrainRNAFetusExonsChromosomes, Artificial, BacterialCells, CulturedSequence HomologyGene Expression Regulation, DevelopmentalSwineOligonucleotide ProbesTranscription FactorsPregnancyScrapieSequence AnalysisDNA Transposable ElementsMolecular WeightSaccharomyces cerevisiaeGenotypeProtein BiosynthesisIntronsBlotting, WesternRodentiaMarsupialiaDNA, ViralGenes, FungalDNA Probes