If the wrong genetic switch is flicked, the wrong sort of tissue results.

如果基因转换被非正常地触发了，结果就是错误的细胞组织。

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One protein is responsible for the difference between the two colors, and the genetic switch from one to the other is very simple.

有一种蛋白质对瓢虫的这两种颜色有影响，并且通过基因开关从一种颜色转换到另一种颜色非常容易。

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The genetic switch involves acetylation, the introduction of an acetyl group into a molecule at the DNA level of chromatin resulting in genetic transcription.

基因“开关”涉及乙酰化作用，也就是将乙酰基群在染色质的DNA水平上引入到分子中，由此完成基因转录。

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Their original experiment used a genetic switch to regulate production of a particular receptor molecule for serotonin.

ECONOMIST: Sudden infant death syndrome

And it may be possible to engineer a genetic switch, known as an inducible promoter, into the crop, along with the anti-meiosis genes.

ECONOMIST: Genetic engineering: No sex, please, we��re plants | The

But the parts list says those regions contain, or are close to, a particular kind of genetic switch turned on and off in various types of immune cell.

ECONOMIST: Human genomics