parachroma

例句：

1. 1. The parachroma in the cell nucleus plays a crucial role in DNA replication.
   细胞核中的超色体在DNA复制中起着至关重要的作用。
2. 2.Researchers have found that parachroma can affect gene expression and disease susceptibility.
   研究人员发现，超色体能影响基因表达和疾病易感性。
3. 3.In some species, parachroma is associated with reproductive success, suggesting it may play a role in sexual selection.
   在某些物种中，超色体能与生殖成功相关联，这表明它可能在性选择中发挥作用。