Cell LineagePhylogenyCell DifferentiationEvolution, MolecularMolecular Sequence DataSequence Analysis, DNAStem CellsBiological EvolutionGenetic VariationGene Expression Regulation, DevelopmentalBase SequenceHematopoietic Stem CellsDNA, MitochondrialTranscription FactorsPhylogeographyMice, TransgenicSpecies SpecificityGenetic SpeciationEmbryonic Stem CellsHomeodomain ProteinsCells, CulturedHematopoiesisPhenotypeMice, Inbred C57BLBone Marrow CellsGeographyAmino Acid SequenceModels, GeneticFossilsCluster AnalysisMultipotent Stem CellsThymus GlandSequence AlignmentLymphopoiesisSignal TransductionGene DuplicationMesodermFlow CytometryLikelihood FunctionsBasic Helix-Loop-Helix Transcription FactorsDNA, RibosomalHaplotypesEmbryo, MammalianGenetics, PopulationPolymerase Chain ReactionB-LymphocytesDNA-Binding ProteinsAngiospermsBayes TheoremDNA PrimersGenomeGene Expression RegulationEndodermRNA, Ribosomal, 16SMultigene FamilyMice, KnockoutCell LineGenotypeMegakaryocytesSelection, GeneticReverse Transcriptase Polymerase Chain ReactionMutationCytochromes bPrimatesDNA, BacterialEmbryo, NonmammalianReceptors, NotchModels, BiologicalHominidaeVertebratesChromosomes, Human, YOligodendrogliaIn Situ HybridizationT-LymphocytesSequence Homology, Nucleic AcidCell SeparationCell ProliferationCell DivisionRNA, MessengerClone CellsGene ExpressionEctodermLymphoid Progenitor CellsDrosophilaGenome, BacterialPan troglodytesGene Expression ProfilingGene Transfer, HorizontalPluripotent Stem CellsEukaryotaMesenchymal Stromal CellsMyeloid CellsChimeraRecombination, GeneticSequence HomologySequence Homology, Amino AcidNeural CrestBacterial Typing TechniquesGreen Fluorescent ProteinsBirds