Last seen in:
- L.A. Times Daily - Dec 12 2018
- The Washington Post - Dec 12 2018
- Eugene Sheffer - King Feature Syndicate - Feb 11 2015
- Eugene Sheffer - King Feature Syndicate - Feb 10 2015
- Eugene Sheffer - King Feature Syndicate - Sep 23 2014
- Eugene Sheffer - King Feature Syndicate - Aug 4 2014
- Eugene Sheffer - King Feature Syndicate - Jul 23 2014
- Eugene Sheffer - King Feature Syndicate - Mar 5 2014
- Eugene Sheffer - King Feature Syndicate - Nov 30 2013
- Eugene Sheffer - King Feature Syndicate - Oct 14 2013
Related Clues:
- Geneticist's letters
- Biochemist's concern
- 'CSI' concern
- CSI identifier
- Geneticist's concern
- Initials linked to Watson and Crick
- Protein production aid
- Highly reliable evidence
- Life's building block
- Genetic messenger letters
- Transmitter of genetic information
- "CSI" proof
- Stranded matter
- Biotech material
- Cloning need