_:b663277068 . _:b663277068 "Historical homology that involves genes that diverged after a speciation event." . _:b663277068 . _:b663277068 . _:b663277068 . _:b663277068 . _:b663277068 . _:b663277068 . _:b663277068 . _:b663277068 . _:b663277068 .