Embryo ResearchCloning, OrganismSheepCloning, MolecularSheep DiseasesSheep, DomesticMolecular Sequence DataAmino Acid SequenceBase SequenceDNA, ComplementarySequence Homology, Amino AcidSheep, BighornSequence AlignmentRestriction MappingEscherichia coliGenes, BacterialJaagsiekte sheep retrovirusGoatsGene LibrarySequence Analysis, DNASequence Homology, Nucleic AcidRNA, MessengerDNARecombinant ProteinsPlasmidsBlotting, NorthernPolymerase Chain ReactionChromosome MappingScrapieGene ExpressionBlotting, SouthernDNA, BacterialCattlePhylogenyDNA PrimersGenesFetusOpen Reading FramesDNA Restriction EnzymesNucleic Acid HybridizationGoat DiseasesSpecies SpecificityTissue DistributionPulmonary Adenomatosis, OvineWoolMolecular WeightGenetic VectorsDNA, RecombinantGenomic LibraryGenetic Complementation TestPregnancyRumenBacterial ProteinsTranscription, GeneticCell LineMultigene FamilyOrgan SpecificityMutationSequence AnalysisErythrocytesLymphSubstrate Specificity