blocked mutant

例句：

1. 1. The study of genetics is crucial for understanding the mechanisms behind mutations.
   遗传学研究对于理解突变机制至关重要。
2. 2.The researchers discovered a new type of blocked mutant that could potentially cure cancer.
   研究人员发现了一种新的阻塞突变体，可能有望治愈癌症。
3. 3. The blocked mutant has been used as a model organism in genetic engineering experiments.
   这种阻塞突变体被用作基因工程实验的模型生物。