Heterologism
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… Genetically heterogeneous hybrids often have superior viability compared to their homozygous parents. This phenomenon is called hybrid vigor or heterosis. The phenomenon of hybrid vigor is now widely used in breeding, and is used in the breeding of corn, tobacco, silkworms, pigs, and other plants. … From [Hybrid vigor]Heterosis is a phenomenon in which when two species or varieties of living organisms are crossed, the resulting hybrid often has a stronger constitution and better growth than either of the parents. *Some terminology explanations that mention "heterosis" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
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… 遺伝的にヘテロな雑種はホモな両親にくらべてしばしば生活力がすぐれる現象がある。これを雑種強勢hybrid vigorまたはヘテローシスheterosisとよぶ。雑種強勢の現象は現在育種に広く利用されており，トウモロコシ，タバコ，カイコ，ブタなどの育種に用いられている。… 【雑種強勢】より…ヘテローシスheterosisともいう。生物の種間または品種間の交雑を行うと，その一代雑種はしばしば両親のいずれよりも体質が強健で発育がよいという現象がみられる。… ※「heterosis」について言及している用語解説の一部を掲載しています。 出典｜株式会社平凡社世界大百科事典 第２版について | 情報 |
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