chromosonema

例句：

1. 1. The study of genetics is crucial for understanding the structure andfunction of chromosomes.
   研究遗传学对于理解染色体的结构与功能至关重要。
2. 2. Chromosomes are responsible for carrying thegenetic information from one generation to the next.
   染色体负责将遗传信息从一代传递到下一代。
3. 3. In humans, each cell contains46 chromosomes, which aredivided into two sets of 23pairs.
   在人类中，每个细胞含有46条染色体，分为两组23对。