突とつ然ぜん変へん異い体たいとつぜんへんいたいMeanings1nounmutantgeneticsTechnical term in genetics for an organism or cell carrying a mutation.この突とつ然ぜん変へん異い体たいは、通つう常じょうの個こ体たいより成せい長ちょうが遅おそい。This mutant grows more slowly than normal individuals.