The most common and most likely answer to this crossword clue is the 3 letter word RNA which also is the latest solution we found used in Wall Street Journal in 2012.
It contains uracil, not thymine crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| RNA | 100 % | 3 | 
Words with a meaning similar to the clue: It contains uracil, not thymine
These words may or may not be a possible solution to this crosswords clue.- rna
 - pyrimidine
 - bromouracil
 - pyrimidine base
 - mirage
 - here
 - pod
 - fact
 - asia
 - documented
 - ace
 - lie
 
Crossword Answer definitions
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution