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 heterosis [,hetə'rəusis]   添加此单词到默认生词本
n. 杂种优势

[医] 杂种优势


  1. Technical tactics of applying heterosis in rice are discussed in three aspects.
    从3个方面探讨了水稻杂种优势利用的技术策略。
  2. A new way may be found to excavate more visible heterosis and to study apomixes in rice.
    利用离子束注入技术对同源四倍体水稻进行遗传改良,有可能为进一步利用水稻强大的杂种优势效应和深入研究水稻无融合生殖现象寻找到新的突破口.
  3. Both inbreeding depression and heterosis were changed with the changing of environmental conditions.
    2近交衰退和杂种优势都随环境条件的变化而变化。


heterosis
[ noun ]
(genetics) the tendency of a crossbred organism to have qualities superior to those of either parent
<noun.attribute>


Heterosis \Het`e*ro"sis\, n. [NL., fr. Gr. ? alteration, fr. ?
other, different.] (Rhet.)
A figure of speech by which one form of a noun, verb, or
pronoun, and the like, is used for another, as in the
sentence: ``What is life to such as me?'' --Aytoun.

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