title: Origins. On the origin of the immune system.
authors.forename: John
authors.initials: J
authors.lastname: Travis
mesh_terms: D000486:Allergy and Immunology / Q000266:history; D000818:Animals; D000917:Antibody Formation; D005075:Biological Evolution; D004251:DNA Transposable Elements; D016654:Genes, RAG-1; D049672:History, 19th Century; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D007107:Immune System / Q000502:physiology; D007109:Immunity; D007113:Immunity, Innate; D011995:Recombination, Genetic; D012641:Selection, Genetic
chemical_list: D004251:DNA Transposable Elements