_:b665859466 . _:b665859466 . _:b665859466 . _:b665859466 . _:b665859466 "Similarity that is characterized by the organization of anatomical structures through the expression of homologous or identical patterning genes." . _:b665859466 . _:b665859466 . _:b665859466 . _:b665859466 . _:b665859466 .