Clue: ID clincher

Answer: DNA

Length: 3

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Similar Clues:

• Idolater's choice (BAAL with 4 letters)
• Iditarod start (ANCHORAGE with 9 letters)
• Data identifier (FILENAME with 8 letters)
• Dud of an idea (NONSTARTER with 10 letters)
• "Idylls of the King" figure (ENID with 4 letters)
• Idle or Burdon (ERIC with 4 letters)
• Self-identifying word (NOUN with 4 letters)
• Suffix with ideal or real (IST with 3 letters)
• Idlewild "You ___ the World in Your Arms" (HELD with 4 letters)
• Overly idealistic (STARRYEYED with 10 letters)