Cross bred

Japanese: cross bred(英語表記)crossbred
Cross bred

…For this reason, in recent years, there have been many attempts to turn wild and domestic animals into laboratory animals. Laboratory animals are divided into inbred lines, closed colonies, cross breds, etc., depending on the strength of their genetic management. Inbred lines are strains that have been repeatedly crossed between full siblings for more than 20 generations, and are a group with no genetic variation at all, with almost all individuals considered to be completely homozygous. …

*Some of the terminology that refers to "cross bred" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…そのため,近年,野生動物や家畜から実験動物化する試みが盛んに行われている。 実験動物はその遺伝管理の強さによって近交系inbred line,クローズドコロニーclosed colony,交雑群cross bredなどに分けられる。近交系と呼ばれるものは20世代以上,全兄妹間の交配を繰り返した系統で,遺伝的にはほとんど完全なホモ接合体の個体ばかりと考えられる遺伝的変異のまったくない集団である。…

※「cross bred」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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