Donor parent - Kyoyoya

Japanese: 供与親 - きょうよおや
Donor parent - Kyoyoya

...This method is used to introduce disease resistance and pest resistance in crops and to improve livestock. The parent used in the successive backcrosses (variety A in the above example) is called the recurrent parent, and the parent used in the first cross to introduce the desired gene (variety B mentioned above) is called the donor parent. [Yasao Sakamoto]...

*Some of the terminology that refers to "donor parent" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…この方法は作物の耐病性,害虫抵抗性などの導入や家畜の改良などに用いられている。ここで連続戻し交雑に用いられる親(上の例では品種A)を反復親recurrent parentといい,目的の遺伝子をとり入れるために最初の交雑に用いられた親(上に述べた品種B)を供与親donor parentという。【阪本 寧男】。…

※「供与親」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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