backcross

基本解释

• v. 使（杂种）回交（或逆代杂交）
• n. 回交；逆代杂交；回交子代

同根派生

英汉例句

• Backcross with c ommon wheat had completely no seed set.
  用普通小麦回交，未获得回交后代。
• The resistant level was declined with increasing of backcross generations.
  (2)在回交后代中，抗性水平逐代降低。
• Dwarfing-sterile wheat was changed from winterness to springness by continue backcross.
  摘要利用连续回交手段将矮败小麦由冬性转育为春性。
• Methods The mice were bred in different ways,including crossbreed,backcross and intercross.
  方法采用杂交、回交、互交的方法进行培育;
• Transfer of Xa 21 gene resistant to bacterial blight for rice through backcross and anther culture.
  应用回交和花培转育水稻抗白叶枯病基因Xa-21

词组短语

短语

• backcross progeny 回交子代
• Backcross population 回交群体
• Inverse backcross 反回交
• double backcross 双向回交;双反交
• backcross method 回交法

英英字典

柯林斯英英字典

• to mate (a hybrid of the first generation) with one of its parents
• the offspring so produced

专业释义

生物学

• 回交

农业科学

• 回交