_:b665101441 "Similarity that is characterized by the organization of anatomical structures through the expression of homologous or identical patterning genes." . _:b665101441 . _:b665101441 . _:b665101441 . _:b665101441 . _:b665101441 . _:b665101441 . _:b665101441 . _:b665101441 . _:b665101441 .