杂种

• They determined that f2 hybrids slightly outgrew the f1 hybrids .
  他们认为杂种后F2代生长量稍大于F1代杂种。
• This hybrid seemed to combine the properties of both parental species .
  这个杂种似乎兼具两个亲本树种的特征。
• Hybrids apparently excel in competitive ability on the intermediate soils .
  在居间土壤上杂种显然在竞争能力上占上风。
• It is hardly an exaggeration to maintain that illegitimate plants are hybrids .
  即使说不正当植物就是杂种，也几乎并不过份。
• It may survive and give rise to two mononucleate hybrid cells called synkaryons .
  可存活并产生两个称为合核体的单核的杂种细胞。
• Then the hybrids are allowed to self-copulate naturally, and several lines are established .
  然后让杂种天然自交，这样就形成几个品系。
• Pack up your rags, you black bastard, and get away! the landlady ordered .
  收拾一下你们的破烂，你们这些黑杂种，滚开，女房东下了逐客令。
• Interspecific hybrids are obtained by fusing two different cell types from the one species .
  种内的杂种细胞是通过同一物种两种不同类型细胞融合而得的。
• The term is usually reserved for those cases in which the hybrids outperform the better of the two parents .
  这个名词通常是指杂种表现得比两个亲本好。
• This may require isolating a very large number of hybrid cells in order to obtain but a few clones .
  这也许需要分离出一大批杂种细胞以获得只是小量的纯系。