_:b663961910 . _:b663961910 . _:b663961910 . _:b663961910 . _:b663961910 . _:b663961910 "Similarity that is characterized by the organization of anatomical structures through the expression of homologous or identical patterning genes." . _:b663961910 . _:b663961910 . _:b663961910 . _:b663961910 .