| Answer | Crossword Clue |
|---|---|
| DNA | Watson's code letters |
| IRS | Code letters? |
| NANS | Code letters |
| DNA | Code letters |
| DNA | Genetic code letters |
| DNA | Genetic-code letters |
| HTML | Letters in code? |
| RNA | Genetic code letters |
| RNA | Genetic-code letters |
| HTML | Modern code letters |
| DNA | Watson and Crick's code letters |
| ALFAS | Starting letters in military code |
| NYNY | Letters for ZIP code 10001 |
| EXE | Letters ending a PC code file name |
