They really didn't know what to do, until along came a German scientist who realized that they were using two words for forelimb and hind limb, whereas genetics does not differentiate and neither does German.
Non sabían que facer ata que chegou un científico alemán que se decatou de que estaban a usar dúas palabras para "extremidade anterior" e "extremidade posterior", mentres que a xenética non as diferencia, nin tampouco o alemán.