Intron a noncoding dna sequence that occurs between coding sequences ( exons ) in many eukaryote genes 内含子:是大多数真核生物基因中位于编码序列(外显子)之间的不编码的dna序列。
百科解释
In genomics and related disciplines, noncoding DNA sequences are components of an organism's DNA that do not encode protein sequences. Some noncoding DNA is transcribed into functional noncoding RNA molecules (e.