a dna sequence

USAGE SUMMARY

The phrase "a dna sequence" is correct and usable in written English.
It can be used when referring to a specific sequence of nucleotides in a DNA molecule, often in scientific or biological contexts. Example: "Researchers are analyzing a DNA sequence to identify genetic markers associated with the disease."

✓ Grammatically correct

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

59 human-written examples

Huang, X. & Madan, A. Cap3: a DNA sequence assembly program.

Nature

Direct expression in Escherichia coli of a DNA sequence coding for human growth hormone.

Nature

Harvard students designed a DNA sequence that folds into a tiny, hollow container.

MIT Technology Review

RNAi is initiated by transcription from both strands of a DNA sequence.

Nature

Huang, X. Q. & Madan, A. CAP3: A DNA sequence assembly program.

Nature

A total of 509 individuals (50.4%) produced a DNA sequence matching morphological identification via Sanger sequencing.

Nature

Evaluate a C2H2 zinc finger transcription factor for binding to a DNA sequence.

Princeton University

Compare any two people, you'll find a DNA sequence that is about 99.9percentt identical.

Stanford University

The DNA databases are public, and all researchers have to do is enter a DNA sequence to compare it.

The New York Times

Figuring out how genes coordinate the complex phenomena of life involves more than deciphering a DNA sequence.

MIT Technology Review

The more a DNA sequence is read, the greater the certainty that the sequencing machine read the sequence accurately.

MIT Technology Review

Expert writing Tips

Best practice

When discussing a newly identified or unspecified DNA sequence, use the indefinite article "a". This indicates that you are referring to one of many possible DNA sequences. For example: "Researchers identified a dna sequence associated with increased disease risk."

Common error

Avoid using the definite article "the" when referring to a general or unspecified DNA sequence. "The dna sequence" should only be used when referring to a specific DNA sequence that has already been mentioned or is otherwise clearly defined in the context.

Linguistic Context

The phrase "a dna sequence" functions primarily as a noun phrase, acting as the subject or object of a sentence. Ludwig AI shows that this phrase is used to refer to a specific, but not necessarily previously identified, segment of genetic code.

Expression frequency: Very common

Frequent in

Science

64%

News & Media

20%

Academia

16%

Less common in

Formal & Business

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, "a dna sequence" is a grammatically sound and frequently used noun phrase, predominantly within scientific, academic, and news contexts. Ludwig AI confirms the phrase's correctness and its role in introducing or describing a specific genetic segment. It's important to use the indefinite article "a" when the sequence is not previously defined. Related phrases include "a genetic sequence" and "a nucleotide sequence". Remember to use "a dna sequence" when discussing general DNA segments and reserve "the dna sequence" for specific, previously identified sequences.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

dna sequence

Omits the indefinite article "a", resulting in a more general reference to DNA sequences.

a genetic sequence

Replaces "dna" with "genetic", emphasizing the hereditary aspect of the sequence.

a nucleotide sequence

Specifies that the sequence is composed of nucleotides, the building blocks of DNA.

a sequence of dna

Reorders the words to emphasize the sequential nature of the DNA composition.

dna fragment

Replaces "sequence" with "fragment", referring to a shorter, less defined portion of DNA.

a segment of dna

Substitutes "segment" for "sequence", implying a specific part or section of DNA.

a stretch of dna

Uses "stretch" instead of "sequence", focusing on a continuous portion of the DNA.

the dna sequence

Changes from indefinite article "a" to definite article "the", referencing a specific DNA sequence previously mentioned.

a dna coding sequence

Adds "coding" to specify that the sequence contains instructions for protein synthesis.

genetic code

Replaces the phrase with a more general term for the set of rules used by living cells to translate information encoded within genetic material into proteins.

FAQs

How is "a dna sequence" used in scientific research?

In scientific research, "a dna sequence" is often used when describing the identification, analysis, or manipulation of a particular genetic segment. For instance, researchers might analyze "a genetic sequence" to understand its function or to develop targeted therapies.

What are some common synonyms for "a dna sequence"?

Common synonyms include "a genetic sequence", "a nucleotide sequence", or "dna fragment". The choice depends on the specific context and the level of detail required.

When should I use "a dna sequence" versus "the dna sequence"?

"A dna sequence" is used when referring to any unspecified DNA sequence, whereas "the dna sequence" refers to a specific sequence that has already been identified or is otherwise known within the context.

What does it mean to 'decode' "a dna sequence"?

Decoding "a dna sequence" means determining the order of nucleotides (adenine, guanine, cytosine, and thymine) within the DNA molecule. This process provides information about the genetic information encoded within the sequence.