genetic fine structure

例句：

1. 1. The study of genetic fine structure is crucial for understanding the evolution of life on Earth.
   研究遗传精细结构对于理解地球上生命进化至关重要。
2. 2. The genetic fine structure of this species has been studied extensively in recent years.
   这种物种的遗传精细结构在近年来已被广泛研究。
3. 3. The genetic fine structure of the genome is a complex and fascinating topic that has captivated scientists for decades.
   基因组的遗传精细结构是一个复杂而引人入胜的话题，几十年来一直吸引着科学家的关注。