MammalsXenarthraCloning, MolecularMarsupialiaPhylogenyPlatypusOpossumsEvolution, MolecularMacropodidaeBiological EvolutionMolecular Sequence DataPlacentaFossilsArtiodactylaElephantsBase SequenceMonodelphisMonotremataAmino Acid SequenceElectrophoresis, Agar GelGenomeClone CellsPaleodontologyInsectivoraArmadillosEchidnaTetraodontiformesSequence AlignmentSpecies SpecificityVertebratesSequence Analysis, DNAPrimatesPaleontologyX Chromosome InactivationSequence Homology, Nucleic AcidModels, GeneticDeoxyribodipyrimidine Photo-LyaseRetroelementsDNA, ComplementarySequence Homology, Amino AcidMultigene FamilyLikelihood FunctionsChickensBayes TheoremConserved SequencePregnancyGene DuplicationGenetic VariationGenomicsDNARNA, MessengerCloning, OrganismPolymerase Chain ReactionChromosome MappingEscherichia coliGenes, BacterialGene ExpressionCell LineRecombinant ProteinsBlotting, NorthernPlasmidsBlotting, SouthernMutationDNA PrimersGenesDentofacial DeformitiesNucleic Acid HybridizationRestriction MappingDNA, BacterialGene LibraryTranscription, GeneticReptilesGene Expression RegulationPinnipediaOpen Reading FramesCetaceaBirdsDNA Restriction EnzymesPhenotypeTissue DistributionGenomic LibraryTransfectionOrgan SpecificityDyssomniasGene Expression Regulation, DevelopmentalCattleDNA, RecombinantCarrier ProteinsGenetic VectorsChromosomes, Artificial, BacterialModels, BiologicalCosmidsTranscription FactorsBacterial ProteinsGenetic Complementation TestIn Situ HybridizationCarnivoraExonsSeals, EarlessAnimals, Wild