_:b666498500 . _:b666498500 "Historical homology that involves genes that diverged after a speciation event." . _:b666498500 . _:b666498500 . _:b666498500 . _:b666498500 . _:b666498500 . _:b666498500 . _:b666498500 . _:b666498500 . _:b666498500 .