Gene RearrangementLymphocytesGene Rearrangement, B-Lymphocyte, Light ChainGene Rearrangement, B-Lymphocyte, Heavy ChainImmunoglobulin Heavy ChainsGene Rearrangement, T-LymphocyteB-LymphocytesGene Rearrangement, gamma-Chain T-Cell Antigen ReceptorMyosin Heavy ChainsGene Rearrangement, B-LymphocyteLymphocyte ActivationMolecular Sequence DataBase SequenceGenes, ImmunoglobulinGene Rearrangement, beta-Chain T-Cell Antigen ReceptorGenesT-LymphocytesPolymerase Chain ReactionGene Rearrangement, delta-Chain T-Cell Antigen ReceptorAmino Acid SequenceImmunoglobulin kappa-ChainsImmunoglobulin Variable RegionReceptors, Antigen, B-CellGene Rearrangement, alpha-Chain T-Cell Antigen ReceptorImmunoglobulin Light ChainsCloning, MolecularImmunoglobulin mu-ChainsBlotting, SouthernMutationTranslocation, GeneticClone CellsGenes, T-Cell Receptor gammaImmunoglobulin Joining RegionGenes, BacterialImmunoglobulinsImmunoglobulin lambda-ChainsLymphocyte SubsetsReceptors, Antigen, T-CellSpleenCell LineB-Lymphocyte SubsetsCells, CulturedRecombination, GeneticRestriction MappingLymphocyte CountDNARNA, MessengerChromosome MappingEscherichia coliImmunophenotypingGenes, Immunoglobulin Heavy ChainTranscription, GeneticLymphomaClathrin Heavy ChainsImmunoglobulin J-ChainsLymphoma, B-CellPhenotypeImmunoglobulin MCell DifferentiationNucleic Acid HybridizationReceptors, Antigen, T-Cell, gamma-deltaFlow CytometryLeukemia, LymphoidMyosinsHeavy Chain DiseaseImmunoglobulin gamma-ChainsIn Situ Hybridization, FluorescencePlasmidsAntibodies, MonoclonalDNA Restriction EnzymesDNA, NeoplasmMice, Inbred C57BLThymus GlandHerpesvirus 4, HumanAntigens, CDLymphoma, T-CellGene Expression RegulationImmunoglobulin Constant RegionsVDJ RecombinasesPalatine TonsilDNA-Binding ProteinsMice, Inbred BALB CAntibody DiversitySequence Homology, Nucleic AcidDNA PrimersImmunoglobulin DGenes, RAG-1Receptors, Antigen, T-Cell, alpha-betaBone MarrowAntigens, CD19Sequence Analysis, DNAAntigens, SurfaceMyeloid-Lymphoid Leukemia ProteinChromosome DeletionGenes, RegulatorChromosome AberrationsMice, TransgenicPrecursor Cell Lymphoblastic Leukemia-LymphomaKaryotypingLymph Nodes