_:b665801368 . _:b665801368 . _:b665801368 . _:b665801368 . _:b665801368 . _:b665801368 . _:b665801368 . _:b665801368 . _:b665801368 "Similarity that is characterized by the organization of anatomical structures through the expression of homologous or identical patterning genes." . _:b665801368 .