Fig. 1From: MHC-identical and transgenic cynomolgus macaques for preclinical studiesTaxonomic classification of extant primates. Macaques are closer to humans in the taxonomic classification. Hominoidea cannot be used for experiments for ethical reasons. Cercopithecoidea (Old World monkeys) is available as experimental animals that are closer to humans than other primates to humans. This figure combines Fig 4.23, Fig 5.28, Fig 6.22, and Fig 7.17 in reference 6Back to article page