_:b663961954 . _:b663961954 . _:b663961954 . _:b663961954 . _:b663961954 . _:b663961954 . _:b663961954 . _:b663961954 . _:b663961954 "Xenology that results, not from the transfer of a gene between two species, but from a hybridization of two species." .