| G1 | presynthetic gap [phase of cells prior to DNA synthesis] |
|---|---|
| G2 | postsynthetic gap [phase of cells following DNA synthesis] |
| IDS | iduronate sulfatase; immune deficiency state; inhibitor of DNA synthesis; integrated delivery system... |
| IRDP | insulin-related DNA polymorphism |
| recon | the smallest unit of DNA capable of recombination [recombination + Gr. on quantum] |