Şunu aradınız:: vague de mutation (Fransızca - İngilizce)

taux de mutation
mutation rate

b) de mutation;
(b) transferred;

droit de mutation
stamp duty

detection de mutations
detection of mutations

une partie de monstres tués, mais le rayonnement a provoqué une nouvelle vague de mutations, plus puissant et terrible.
some of monsters were killed, but the radiation has created a new wave of mutations, even more powerful and terrible.