junk DNA

例句：

1. 1. The study found that junk DNA could be a significant contributor to genetic diseases.
   研究发现，垃圾DNA可能是导致遗传疾病的一个重要因素。
2. 2. The researchers are trying to identify the origins of junk DNA in the human genome.
   研究人员正在尝试确定人类基因组中垃圾DNA的起源。
3. 3.Junk DNA is often associated with mutations that can lead to cancer.
   垃圾DNA通常与可能导致癌症的突变有关。