Cloning, OrganismSheepCloning, MolecularSheep DiseasesSheep, DomesticMolecular Sequence DataBase SequenceAmino Acid SequenceSequence Homology, Amino AcidDNA, ComplementaryGenes, BacterialEscherichia coliRestriction MappingSequence AlignmentPlasmidsSequence Analysis, DNASequence Homology, Nucleic AcidRecombinant ProteinsRNA, MessengerSheep, BighornDNAGene LibraryChromosome MappingDNA, BacterialPolymerase Chain ReactionGene ExpressionDNA Restriction EnzymesGenesBlotting, SouthernBlotting, Northern