https://unilogia.su/index.php?action=history&feed=atom&title=Ambidirectional_dominanceAmbidirectional dominance - История изменений2026-04-09T01:43:42ZИстория изменений этой страницы в викиMediaWiki 1.44.2https://unilogia.su/index.php?title=Ambidirectional_dominance&diff=988&oldid=prevAdmin: 1 версия импортирована2025-11-13T18:01:02Z<p>1 версия импортирована</p>
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<p><b>Новая страница</b></p><div>'''Ambidirectional dominance''' occurs in a situation where multiple [[gene]]s influence a [[phenotype]] and [[dominance (genetics)|dominance]] is in different directions depending on the gene. For example, for [[gene]] A increased height is dominant, while for [[gene]] B decreased height is dominant. The opposite situation, where all genes show dominance in the same direction, is called '''directional dominance'''.<ref name=Broadhurst>{{cite book |editor1-first=JHF |editor1-last=van Abeelen |editor1-link=Hans van Abeelen |last1=Broadhurst |first1=PL |last2=Jinks |first2=JL |author-link2=John L. Jinks |title=The Genetics of Behaviour |chapter=What genetical architecture can tell us about the natural selection of behavioural traits |publisher=North Holland |location=Amsterdam| year=1974 |isbn=0-7204-7137-0 |pages=43–63 |oclc=1365968}}</ref> In the same example, for both genes A and B increased height is dominant. According to Broadhurst, ambidirectional dominance is the result of [[stabilizing selection|stabilising selection]] in the evolutionary past.<ref name=Broadhurst/> Ambidirectional dominance has been found for [[Exploration|exploratory behaviour]]s in [[Mouse|mice]]<ref name=pmid3943979>{{cite journal |author=Crusio WE |author-link=Wim Crusio |author2=van Abeelen JH |author2-link=Hans van Abeelen |title=The genetic architecture of behavioural responses to novelty in mice |journal=[[Heredity (journal)|Heredity]] |volume=56 |issue= 1|pages=55–63 |date=February 1986 |pmid=3943979 |doi= 10.1038/hdy.1986.8|doi-access=free}}</ref><ref name=pmid2930636>{{cite journal |vauthors=Crusio WE, Schwegler H, van Abeelen JH |title=Behavioral responses to novelty and structural variation of the hippocampus in mice. I. Quantitative-genetic analysis of behavior in the open-field |journal=[[Behavioural Brain Research]] |volume=32 |issue=1 |pages=75–80 |date=February 1989 |pmid=2930636 |doi=10.1016/S0166-4328(89)80074-9 |s2cid=675083}}</ref><ref name=pmid11682103>{{cite journal |author=Crusio WE |title=Genetic dissection of mouse exploratory behaviour |journal=Behavioural Brain Research |volume=125 |issue=1–2 |pages=127–32 |date=November 2001 |pmid=11682103 |doi=10.1016/S0166-4328(01)00280-7 |s2cid=28031277 }}</ref> and [[paradise fish]].<ref name=pmid2256892>{{cite journal |author=Gerlai R |author-link=Robert Gerlai |author2=Crusio WE |author3=Csányi V |title=Inheritance of species-specific behaviors in the paradise fish (Macropodus opercularis): a diallel study |journal=[[Behavior Genetics (journal)|Behavior Genetics]] |volume=20 |issue=4 |pages=487–98 |date=July 1990 |pmid=2256892 |doi=10.1007/BF01067715 |s2cid=22641118}}</ref><br />
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==References==<br />
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[[Category:Genetics]]<br />
[[Category:Selection]]<br />
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