DNA vs Genome

When to use each in English, with meaning, register, and examples.

DNA

Top 2,000 (common)

Genome

Top 2,000 (common)
 DNAGenome
Pronunciation🇬🇧 //ˌdiː.enˈeɪ//🇺🇸 //ˌdiː.enˈeɪ//🇬🇧 //ˈdʒiː.nəʊm//🇺🇸 //ˈdʒiː.noʊm//
MeaningThe building blocks of all living things that contain genetic information.The complete set of genes in an organism.
ExampleScientists extracted the DNA from the sample to analyze its genetic makeup.The human genome contains approximately 20,000-25,000 genes.
RegisterNeutralNeutral
How commonTop 2,000 (common)Top 2,000 (common)
Collocationsextract DNA, analyze DNA, DNA sequence, DNA testing, DNA structurehuman genome, plant genome, genome sequencing, genome editing, complete genome
Common mistakesConfused with RNA - learners may mix these two terms., Omitting 'the' when referring to DNA in a specific context., Misunderstanding its role in genetics and heredity.Confused with 'genetic code'., Used incorrectly as 'genoma' in plural form., Mispronounced as 'jee-nome' instead of 'jē-ˌnōm'.
Usage notesUsed in scientific contexts, especially biology and medicine. Not used informally.Commonly used in scientific contexts. Less appropriate in casual conversation unless discussing genetics or biology.

Frequently asked questions: DNA vs Genome

What's the difference between DNA and Genome?

DNA: The building blocks of all living things that contain genetic information. Genome: The complete set of genes in an organism.

Can you show an example of each?

DNA: Scientists extracted the DNA from the sample to analyze its genetic makeup. Genome: The human genome contains approximately 20,000-25,000 genes.

Can I use DNA and Genome interchangeably?

Not always. DNA and Genome are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.