_:b665802378 . _:b665802378 . _:b665802378 . _:b665802378 "Similarity that is characterized by the organization of anatomical structures through the expression of homologous or identical patterning genes." . _:b665802378 . _:b665802378 . _:b665802378 . _:b665802378 . _:b665802378 . _:b665802378 .