nuclei of origin

例句：

1. 1. The study of genetics is the study of the nuclei of origin.
   遗传学研究的是起源核。
2. 2. The discovery of a new species is often the nuclei of origin for a new ecosystem.
   新物种的发现往往是一个新生态系统的起源核。
3. 3. The research on the nuclei of origin has important implications for understanding evolution.
   对起源核的研究对于理解进化具有重要意义。