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Biology Mid‑importance

	Biology portal Twin 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
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Molecular Biology: MCB Mid‑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
Mid	This article has been rated as Mid-importance on the importance scale.
	This article is supported by the Molecular and Cell Biology task force (assessed as High-importance).

Family and relationships (defunct)

This article is within the scope of WikiProject Family and relationships, a project which is currently considered to be defunct.Family and relationshipsWikipedia:WikiProject Family and relationshipsTemplate:WikiProject Family and relationshipsFamily and relationships

Genealogy Mid‑importance

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This article was the subject of an educational assignment that ended on 20 May 2022. Further details are available here.

Quaternary mention?

I not only didn't see any mention of non-communal "quaternary marriages" mentioned in this article, I couldn't find a single mention anywhere on wikipedia. Could quaternary marriages be mentioned or even have its own article? I learned about it earlier today in the letter section of Popular Science and this was basically the only worthwhile web reference I could find outside of discussion about group marriages: [1] — Preceding unsigned comment added by 4.254.115.130 (talk) 03:51, 14 June 2007 (UTC)[reply]

Citation 19 is a dead link

— Preceding unsigned comment added by 82.9.109.234 (talk) 16:06, 14 March 2015 (UTC)[reply]

Done I have flagged the URL with |url-status=usurped. — Dan Leonard (talk • contribs) 21:45, 28 September 2024 (UTC)[reply]

Wiki Education assignment: BIO 378 Developmental Biology

This article was the subject of a Wiki Education Foundation-supported course assignment, between 31 January 2022 and 20 May 2022. Further details are available on the course page. Student editor(s): Uketbriana (article contribs). — Preceding unsigned comment added by Uketbriana (talk • contribs) 03:31, 3 March 2022 (UTC)[reply]

Types and Zygosity section

I removed table added in 2016 by Gatorgirl7563. It contained no information not already found in article. Tables should help the reader correlate related facts, however out of 77 cells, 66 were "X" (which was not defined). 2 columns were completely "X", so served no purpose. I am assuming that Gatorgirl7563 thought that it would be expanded and clarified by other editors over time, but at only 14% filled in, took up a lot of space without adding clarification to the article. There were previous discussions on talk page to remove or improve. If someone wanted to create a comprehensive table that correlates all aspects of the different types of twinning, I would support that, but it should add information to the article by showing how their attributes compare and contrast. • Bobsd • (talk) 17:13, 7 July 2024 (UTC)[reply]

Neshebra Danielle Wright

Macula pinna 2600:1005:B194:EB8F:18A9:2FF:2551:BABC (talk) 16:32, 11 December 2024 (UTC)[reply]

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+{{Educational assignment|date=2022-05-20|link=Wikipedia:Wiki Ed/Goucher College/BIO 378 Developmental Biology (SP22)}}
 == Quaternary mention? ==
-I not only didn't see any mention of non-communal "quaternary marriages" mentioned in this article, I couldn't find a single mention anywhere on wikipedia.  Could quaternary marriages be mentioned or even have its own article?  I learned about it earlier today in the letter section of Popular Science and this was basically the only worthwhile web reference I could find outside of discussion about group marriages: [http://www.bu.edu/alumni/bostonia/2005/fall/double/index.html]
+I not only didn't see any mention of non-communal "quaternary marriages" mentioned in this article, I couldn't find a single mention anywhere on wikipedia.  Could quaternary marriages be mentioned or even have its own article?  I learned about it earlier today in the letter section of Popular Science and this was basically the only worthwhile web reference I could find outside of discussion about group marriages: [http://www.bu.edu/alumni/bostonia/2005/fall/double/index.html] <!-- Template:Unsigned IP --><small class="autosigned">—&nbsp;Preceding [[Wikipedia:Signatures|unsigned]] comment added by [[Special:Contributions/4.254.115.130|4.254.115.130]] ([[User talk:4.254.115.130#top|talk]]) 03:51, 14 June 2007 (UTC)</small>
 == Citation 19 is a dead link ==
+<!-- Template:Unsigned IP --><small class="autosigned">—&nbsp;Preceding [[Wikipedia:Signatures|unsigned]] comment added by [[Special:Contributions/82.9.109.234|82.9.109.234]] ([[User talk:82.9.109.234#top|talk]]) 16:06, 14 March 2015 (UTC)</small>
+:{{done}} I have {{diff|Twin|prev|1248321584|flagged}} the URL with {{para|url-status|usurped}}. <span title="Signature of Dan Leonard">— <span style="text-shadow: 2px 2px 8px lightskyblue, -2px -2px 8px forestgreen;font-weight:bold;">[[User:Dan Leonard|Dan Leonard]]</span> ([[User talk:Dan Leonard|talk]] • [[Special:Contributions/Dan Leonard|contribs]])</span> 21:45, 28 September 2024 (UTC)
 ==Wiki Education assignment: BIO 378 Developmental Biology==
+{{dashboard.wikiedu.org assignment | course = Wikipedia:Wiki_Ed/Goucher_College/BIO_378_Developmental_Biology_(SP22) | assignments = [[User:Uketbriana|Uketbriana]] | start_date = 2022-01-31 | end_date = 2022-05-20 }} <!-- Template:Unsigned --><small class="autosigned">—&nbsp;Preceding [[Wikipedia:Signatures|unsigned]] comment added by [[User:Uketbriana|Uketbriana]] ([[User talk:Uketbriana#top|talk]] • [[Special:Contributions/Uketbriana|contribs]]) 03:31, 3 March 2022 (UTC)</small>
-== Terminology for individuals ==
+== Types and Zygosity section ==
+I removed table added in 2016 by Gatorgirl7563.  It contained no information not already found in article. Tables should help the reader correlate related facts, however out of 77 cells, 66 were "X" (which was not defined). 2 columns were completely "X", so served no purpose.   I am assuming that Gatorgirl7563 thought that it would be expanded and clarified by other editors over time, but at only 14% filled in, took up a lot of space without adding clarification to the article.  There were previous discussions on talk page to remove or improve.
-Regarding this passage from the opening of the article: "In contrast, a [[fetus]] that develops alone in the womb (the much more common case, in humans) is called a ''singleton'', and the general term for one offspring of a [[multiple birth]] is a ''multiple''. Unrelated [[Look-alike|look-alikes]] whose resemblance parallels that of twins are referred to as [[Doppelgänger|doppelgängers]]."
+If someone wanted to create a comprehensive table that correlates all aspects of the different types of twinning, I would support that, but it should add information to the article by showing how their attributes compare and contrast.  <span style="border-radius:9em;background:#88ff00">[[User:Bobsd|<span style="color: blue">&nbsp;• Bobsd •&nbsp;</span>]] </span>([[User talk:Bobsd|talk]]) 17:13, 7 July 2024 (UTC)
+== Neshebra Danielle Wright ==
-* Singleton: there was one post to talk years back that brought into question use of this term.  However, it appears in the scientific literature, such as in {{PMID|10442325}}, a clinical paper that has in the Abstract (Study design section) "...data on all women with singleton and twin gestations complicated by PROM...."  This type of usage suggests the use of "singleton" for a child of a singleton pregnancy, just like below for "twin" for a child of a twin pregnancy.
-* Multiple: I've been trying to find use of this term.  The more common approach than using "multiple" is to refer using a derivative of the common multiplicity term.  So, in the case of twins, an individual is referred to as a "twin" ([[iarchive:dorlandspocketme0000dorl/|Dorlands, 28th edition 2009]], pg. 877), "triplet" for a triplet birth (pg. 869), "quadruplet" for one person from a quadruple pregnancy (pg. 705), "quintuplet" (pg. 705), "sextuplet" (pg. 758), "septuplet" (pg. 756) <nowiki>&</nowiki>mdash; which is as far as the dictionary goes.  The text has terms for multiple pregnancies (multigravida and multipara), but these terms refer to multiple different pregnancies and not to a multi-birth pregnancy.  Also, the current citation to a MedLinePlus article only alludes to the use of the term multiple and doesn't actually define it.
-* Dopplegangers: the supporting citation related to a "generalized user modeling system" which has this name.  I would suggest dropping this particular sentence altogether.
+Macula pinna [[Special:Contributions/2600:1005:B194:EB8F:18A9:2FF:2551:BABC|2600:1005:B194:EB8F:18A9:2FF:2551:BABC]] ([[User talk:2600:1005:B194:EB8F:18A9:2FF:2551:BABC|talk]]) 16:32, 11 December 2024 (UTC)
-I can do the rewrite and re-citationing of the passage, but wanted to see if the concept passed muster here first. --User:Ceyockey (<small>''[[User talk:Ceyockey|talk to me]]''</small>) 23:05, 7 April 2022 (UTC)
-== Twinning across the Developing World needs correction n. America appears twice ==
-I'm probably doing this wrong but I found an error in the above-titled section.  North America appears in both the 6-9 and 9-12 per thousand rate lists; I'm assuming one of the two is actually S. America, but time does not permit my investigating it and I didn't want to forget. please ignore this if it's out of line.  Thanks! [[User:The24frans|frannie]] ([[User talk:The24frans|talk]]) 18:56, 27 August 2022 (UTC)