| Label | Id | |
|---|---|---|
| 2-carbon units | DNA | |
| 2-exon structure | DNA | |
| 2 genes | DNA | |
| 2-kb flanking regions | DNA | |
| 2-kb-long bacterial retroelement | DNA | |
| 2 kb upstream | DNA | |
| 2-kb upstream region | DNA | |
| 2-kb upstream regions | DNA | |
| 2-kb upstream sequences | DNA | |
| 2'-OH group | DNA | |
| 2-order genegene | DNA | |
| 2_Weak_Promoter | DNA | |
| 3 more mutated genes | DNA | |
| 3n + 2 (26.5%, 628) introns | DNA | |
| 3n + 2 introns | DNA |