Related Clues:
- Father identifier
- Genentech's ticker symbol
- See 106-Across
- Watson's code letters
- Grad-school specialty
- High-tech "fingerprint"
- Murphy has one
- Stuff of life
- Double-helix material
- Fingerprint with a twist?
- '-- & Order: Criminal Intent'
- It could prove paternity
- Crime lab letters
- Sample in a crime lab
- Word with ''blue'' or ''lemon''