Related Clues:
- Baby identifier
- Forensic tool, nowadays
- Biological blueprint, briefly
- Hereditary helices
- What many markers are made of
- Postgraduate major
- Genetic "blueprint"
- Scientific discovery of 1869
- Cheek swab evidence
- Project ___ ('Big Brother' twist featuring half siblings who'd never met and a pair of swapping twins)
- Community ordinance
- Congress makes it
- ID clincher, at times
- 'CSI' sample
- Type of profiling