Genetic Molecule Crossword Clue — 3 Letters

One confident answer with explanation of the wordplay

DNA
Best match
D
N
A

DNA (Deoxyribonucleic Acid) is the classic "genetic molecule" — it carries hereditary information and is a staple crossword answer for this clue, perfectly fitting the 3-letter pattern.

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Other possible answers
RNARNA (Ribonucleic Acid) is also a genetic molecule involved in protein synthesis, though DNA is the more primary answer for this clue.

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