RNA
Set to 81 different clues across 153 published puzzles, most often “Genetic letters” — The New York Times, Wednesday, 23 September 2009.
3 letters
Every clue on record, most used first
- Genetic letters19 times
The New York Times — Wednesday, 23 September 2009
- Messenger ___17 times
The New York Times — Monday, 30 May 2011
- Genetic stuff12 times
The New York Times — Friday, 1 July 2011
- Genetic material8 times
The New York Times — Thursday, 7 July 2011
- Genetic inits.5 times
The New York Times — Sunday, 20 November 2005
- It's stranded4 times
The New York Times — Friday, 11 August 2006
- Cellular stuff3 times
The New York Times — Tuesday, 7 September 2010
- Genetic messenger2 times
The New York Times — Wednesday, 13 April 2011
- Stranded messenger?2 times
The New York Times — Sunday, 30 August 2009
- Molecular biology topic2 times
The New York Times — Sunday, 22 February 2009
- Gene material2 times
The New York Times — Wednesday, 19 September 2007
- Biochemistry abbr.2 times
The New York Times — Thursday, 28 June 2007