Translate the following English sentence to French:
"The 'therapeutic cloning' plan will be the spark that kindles the fire since no one can guarantee that limited and specific use will be made of cloning."
Le projet de "clonage thérapeutique" qui est en phase d' élaboration constitue une véritable boîte de Pandore puisque personne n' est en mesure de garantir l' usage restreint ou ad hoc du clonage.