_:b667746869 . _:b667746869 . _:b667746869 . _:b667746869 . _:b667746869 "Similarity that is characterized by the organization of anatomical structures through the expression of homologous or identical patterning genes." . _:b667746869 . _:b667746869 . _:b667746869 . _:b667746869 . _:b667746869 .