_:b665759050 "Similarity that is characterized by the organization of anatomical structures through the expression of homologous or identical patterning genes." . _:b665759050 . _:b665759050 . _:b665759050 . _:b665759050 . _:b665759050 . _:b665759050 . _:b665759050 . _:b665759050 . _:b665759050 .