脱氧核糖核酸

例句：

1. 1.DNA is the genetic material that carries our inherited traits.
   DNA是我们遗传特征的遗传物质。
2. 2.The discovery of DNA has revolutionized our understanding of life.
   DNA的发现已经改变了我们对生命的认识。
3. 3. DNA sequencing is a crucial step in the process of gene mapping.
   DNA测序是基因定位过程中的关键步骤。