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	DNA is a former featured article. Please see the links under Article milestones below for its original nomination page (for older articles, check the nomination archive) and why it was removed.
	This article appeared on Wikipedia's Main Page as Today's featured article on February 13, 2007.
Article milestones Date Process Result January 19, 2004 Refreshing brilliant prose Kept February 18, 2004 Featured article review Demoted March 15, 2006 Good article nominee Listed December 24, 2006 Peer review Reviewed January 9, 2007 Featured article candidate Promoted April 25, 2007 Featured article review Kept January 31, 2026 Featured article review Demoted Facts from this article were featured on Wikipedia's Main Page in the "On this day..." column on April 25, 2004, and April 25, 2005. Current status: Former featured article

This  level-3 vital article is rated B-class on Wikipedia's content assessment scale. It is of interest to multiple WikiProjects.

Molecular Biology: Genetics / MCB Low‑importance This article is within the scope of WikiProject Molecular Biology, a collaborative effort to improve the coverage of molecular biology on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.Molecular BiologyWikipedia:WikiProject Molecular BiologyTemplate:WikiProject Molecular BiologyMolecular Biology Low This article has been rated as Low-importance on the project's importance scale. This article is supported by the Genetics task force (assessed as Top-importance). This article is supported by the Molecular and Cell Biology task force (assessed as Top-importance). Biology Top‑importance DNA is part of the WikiProject Biology, an effort to build a comprehensive and detailed guide to biology on Wikipedia. Leave messages on the WikiProject talk page.BiologyWikipedia:WikiProject BiologyTemplate:WikiProject BiologyBiology Top This article has been rated as Top-importance on the project's importance scale.

This article is written in British English, which has its own spelling conventions (colour, travelled, centre, defence, artefact, analyse) and some terms may be different or absent from other varieties of English. According to the relevant style guide, this should not be changed without broad consensus.

I am reviewing this article as part of WP:URFA/2020, an initiative to review Wikipedia's oldest featured articles. It has been a while since this article has been reviewed, so I took a quick look and noticed lots of uncited statements, including entire paragraphs. Should this article go to WP:FAR? Z1720 (talk) 16:02, 24 September 2025 (UTC)[reply]

Would editors here be interested in using something like https://commons.wikimedia.org/wiki/File:Four_nucleobase_pairs_of_DNA.svg as a replacement for File:DNA chemical structure.svg ? Geometry guy 18:37, 29 September 2025 (UTC)[reply]

This article was the subject of a Wiki Education Foundation-supported course assignment, between 25 August 2025 and 12 December 2025. Further details are available on the course page. Student editor(s): Emrtrof (article contribs).

— Assignment last updated by Emrtrof (talk) 17:52, 21 October 2025 (UTC)[reply]

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In the "Simplified Diagram": draw a box around a "nucleoside" and label it as "Nucleoside" draw a box around a "nucleobase" and label it as "Nucleobase" Aikassis (talk) 16:56, 24 October 2025 (UTC)[reply]

 Not done: That is an image taken from the Internet and cannot be edited directly. Day Creature (talk) 17:36, 24 October 2025 (UTC)[reply]

When did DNA become, by definition, double stranded????? DNA is the well-known polymer with a deoxyribose-phosphate sugar backbone. It most commonly (and no, I don't have a citation. Here I'm guessing.) the term referring to the double-stranded molecule-pair. From what I gather the pairing is accomplished by not just the h-bonding between bases, but also the several van der Waals forces between adjacent rings on the SAME chain. (Not to mention the histone octamer.) Anyway, my point is that chemically the single strand would be the one designated as poly(deoxyribosephosphate) and the double-strand would be...wait for it...double-stranded, or paired, DNA. In fact, the term DNA has several meanings. Claiming that it "is" (just) one of them is misleading.~2026-92463-4 (talk) 16:47, 13 March 2026 (UTC)[reply]