Linkage

Japanese: linkage
Linkage

...such groups of genes on the same chromosome do not follow the law of independent inheritance mentioned above, but tend to be passed on together to offspring. This phenomenon is called linkage. One chromosome in corn carries the genes that control seedling color (green and white), leaf luster (matte and glossy), and fertility (normal and partially sterile). ...

From [Genetic Recombination]

...Based on this, Mendel's law of independent segregation was proposed.
[Linkage]
A.H. Sturtevant (1913) was the first to discover an exception to the law of independent segregation and to introduce the concept of linkage. This phenomenon occurs when multiple genes are passed from parent to child (or from individual to individual) as a set, without following the law of independent segregation. The degree of linkage varies depending on the combination of genes, but usually does not exceed 50%.

*Some of the terminology explanations that mention "linkage" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…このような同一染色体上の遺伝子群は,上述の独立遺伝の法則に従わず,いっしょに子孫に伝わる傾向を示す。この現象を連鎖linkageとよんでいる。トウモロコシのある染色体に芽生えの色(緑色と白色),葉の光沢(非光沢性と光沢性)および稔性(正常と部分不稔)を支配する遺伝子がのっている。…

【遺伝的組換え】より

…これを基にして,いわゆるメンデルの〈独立分離の法則〉が提唱された。
[連鎖linkage]
 〈独立分離の法則〉の例外を見いだし,連鎖という概念を最初に出したのはスタートバントA.H.Sturtevant(1913)である。この現象は,複数の遺伝子が〈独立分離の法則〉に従わず組として親から子に(または個体から個体に)伝わるもので,その程度は遺伝子の組合せによって異なるが,通常は50%を越えることはない。…

※「linkage」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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