| Answer | Crossword Clue |
|---|---|
| DNA | Watson investigated it |
| DNA | Watson and Crick discovered it |
| Answer | Crossword Clue |
|---|---|
| DNA | Watson investigated it |
| DNA | Watson and Crick discovered it |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.