麻豆精品在线久草熟女|色情一区二区三区|国产一级片国产特级片|亚州特级黄片在线免费观看|中文人妻少妇有码Av|日逼黄色毛片久久精品久久日|欧美黄色短片网站|无码在线资源黄色免费看视频|日韩无码1区2区3区|亚洲夜色在线五月天激情影院

單詞乎

backcross

backcross是什么意思、backcross怎么讀

backcross漢語(yǔ)翻譯

vt.vi. 使回交, (使)逆代雜交

backcross詞型變化

動(dòng)詞過(guò)去式:backcrossed 過(guò)去分詞:backcrossed 現(xiàn)在分詞:backcrossing 第三人稱(chēng)單數(shù):backcrosses 

backcross英語(yǔ)解釋

動(dòng)詞 backcross:

  1. mate a hybrid of the first generation with one of its parents

backcross詳細(xì)解釋

back.cross

v.tr.(及物動(dòng)詞)
back.crossed,back.cross.ing,back.cross.es
To cross (a hybrid) with one of its parents, or with an individual genetically identical to one of its parents.
反交,回交:與(一混血兒)父母的一方或與其父母中在個(gè)體遺傳方面完全一致的一方的雜交
n.(名詞)
The act of making such a cross.
逆代雜交:這種雜交的行為
An individual resulting from such a cross.
逆代雜交個(gè)體:從這樣的雜交產(chǎn)生的個(gè)體

【引伸】
back.cross.
n.(名詞)

0
糾錯(cuò)