Related Clues:
- It needs a letter to put money on 11 and 25 across at first
- Gamble with a first letter, although it comes second
- Wager a letter from Greece this second?
- One has to be grateful for a letter like this
- It's in the form of a helix, and there you have it
- Gamble on a letter
- And it turns in the form of a double helix
- The odds are a letter is in second place
- 21 down needs the first letter to make the second letter
- Put your money on a letter for a second place
- Sounds as if one might get the better of a letter
- In the chromosomes - also goes the wrong way
- Just be grateful it's only a second letter
- Wager a letter to come second
- It's in a double helix and it's 1 across