_:b663956194 . _:b663956194 . _:b663956194 . _:b663956194 "Historical homology that involves genes that diverged after a speciation event." . _:b663956194 . _:b663956194 . _:b663956194 . _:b663956194 . _:b663956194 . _:b663956194 . _:b663956194 .