_:b663962920 . _:b663962920 . _:b663962920 . _:b663962920 . _:b663962920 . _:b663962920 "Similarity that is characterized by the organization of anatomical structures through the expression of homologous or identical patterning genes." . _:b663962920 . _:b663962920 . _:b663962920 . _:b663962920 .