https://unilogia.su/index.php?action=history&feed=atom&title=MidparentMidparent - История изменений2026-04-08T20:21:39ZИстория изменений этой страницы в викиMediaWiki 1.44.2https://unilogia.su/index.php?title=Midparent&diff=708&oldid=prevAdmin: 1 версия импортирована2025-11-13T17:58:35Z<p>1 версия импортирована</p>
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</table>Adminhttps://unilogia.su/index.php?title=Midparent&diff=707&oldid=prevru>Pol098: wording hopefully clearer, but not perfect2023-12-11T17:41:31Z<p>wording hopefully clearer, but not perfect</p>
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In [[human genetics]] the '''midparent''' value of a [[Phenotypic trait|trait]] is defined as the [[average]] of the trait value of the father and a scaled version of that of the mother. This value can be used in a study to analyze the [[data set]] without heeding sex effects. Studying [[quantitative traits]] in [[heritability]] studies may be complicated by [[Sex differences in humans|sex differences]] observed for the trait. <br />
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Well-known examples include studies of humans' height, whose midparent value ''h''<sub>''mp''</sub> is given by:<ref>{{cite book|last1=Vogel |first1=Friedrich |last2=Motulsky |first2=Arno G. |chapter=Formal Genetics of Humans: Multifactorial Inheritance and Common Diseases |title=Human Genetics. Problems and Approaches|date=1997 |pages=207 |doi=10.1007/978-3-662-03356-2_7|isbn=978-3-662-03356-2}}</ref><br />
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:<math>h_{mp}=\frac{h_f+(1.08\times h_m)}{2}</math><br />
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where ''h''<sub>''f''</sub> is the father's height, and ''h''<sub>''m''</sub> the mother's.<br />
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The [[coefficient]] 1.08 serves as a [[Scale factor|scaling factor]]. After the 1.08 scaling, the mean of the mother's height is the same as that of the father's, and the variance is closer to the father's; in this way, sex difference can be ignored.<br />
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==References==<br />
{{reflist}}<br />
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[[Category:Genetics]]<br />
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{{Genetics-stub}}</div>ru>Pol098