Meaning & use
DNA
The molecule inside cells that carries the genetic instructions used to build and maintain living organisms.
See it in a sentence
Scientists compared DNA samples to confirm the identity of the remains.
Every cell in your body contains a nearly identical copy of your DNA.
A note on using this word
DNA stands for deoxyribonucleic acid; the abbreviation is used far more often than the full term in everyday speech.
Words with a similar meaning
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