conditional lethal mutation

例句：

1. 1. The researcher discovered a conditionally lethal mutation in the gene responsible for the disease.
   研究人员在负责该疾病的基因中发现了条件致死突变。
2. 2.This conditionally lethal mutation could potentially be harmful to humans.
   这种条件致死突变可能对人类有害。
3. 3.The study focused on identifying and characterizing the conditionally lethal mutations in the genome of the organism.
   该研究专注于识别和描述该生物体基因组中的条件致死突变。