title: Normal and abnormal generation of isotype diversity.
mesh_terms: D001402:B-Lymphocytes / Q000276:immunology; D004406:Dysgammaglobulinemia / Q000235:genetics; D005796:Genes; D006801:Humans; D007132:Immunoglobulin Isotypes / Q000145:classification* / Q000235:genetics
chemical_list: D007132:Immunoglobulin Isotypes