A gene is a piece of biological information that gets copied or replicated, and the copy or replica is passed on to the new generation.

基因是一段被复制或重组的生物信息，这种复制或重组会传递给下一代。

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Like their biological namesakes, computer viruses replicate by attaching themselves to a host (a program, or a computer) and coopting the host's resources to copy themselves.

就像他们生物学中的同名物一样，计算机病毒复制时就是将自己俯身于宿主上（一个程序或是计算机），然后利用宿主的资源来复制自己。

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"There are potentially so many ideas that you can take from nature, " he says. "We don't have to copy the biological system totally – just take the bits that are of interest to us."

“你可以从大自然中获得这么多潜在的构思，”他说，“我们无需完全复制大自然的生物系统，只需从中获取我们所感兴趣的点点滴滴。”

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The pioneer drug companies like Genentech and Amgen (nasdaq: AMGN - news - people ), which makes the anti-anemia biological drug Epogen, argue that biological drugs are too complicated to copy.

FORBES: Genentech's Generic Battle

Glasberg said a television network had obtained a copy of a novel Hatfill was writing -- about biological warfare -- that could have only come from the scientist's computer, which federal authorities have confiscated.

CNN: Scientist under scrutiny denies anthrax link

Just as a mould can be used to make a copy of a three-dimensional object, Dr Sharpless proposes to use biological targets as templates to guide the formation of their own perfect drugs.

ECONOMIST: MONITOR