自20世纪70年代以来，分子生物学家已在物种之间转移基因，一次转移一种基因；他们的工作给我们带来了转基因农作物和生物技术药物。

Molecular biologists have been transferring genes between species, one at a time, since the 1970s; their work has given us genetically modified crops and biotechnology drugs.

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在当前家禽育种中应用最广的生物技术方法主要有两项：分子标记技术和基因转移技术。

Two biotechnology methods, molecular marker technology and gene transfer technology, are thought to be applied widely in poultry breeding in the future.

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通过化学诱导剂作用于启动子的条件性基因表达是分子生物学和生物技术应用研究中的强有力的手段。

Promoters responding to chemical inducers will be powerful tools for basic research in molecular biology and biotechnological applications.

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