Amphidiploid
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...Also, when there are two or more genomes, such as AABB or AABBCC , two of each type of genome, only bivalent chromosomes are formed during meiosis, and the behavior of the chromosomes cannot be distinguished from diploids. This type of allopolyploid is specifically called an amphidiploid. Many autopolyploid plants have stronger growth vigor, larger organs, and are more resistant to environmental stress than diploids. ... *Some of the terminology explanations that mention "amphidiploid" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
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…また，ゲノム構成がAABBやAABBCCのように，2種類以上のゲノムがそれぞれ2個ずつ存在すると，減数分裂において二価染色体のみが形成され，染色体の行動からは二倍体と区別できない。この型の異質倍数体をとくに複二倍体amphidiploidという。 植物の同質倍数体には，二倍体に比べ，生育力が旺盛で種々の器官が肥大し，環境のストレスに強いものが多い。… ※「amphidiploid」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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