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。
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。
The extraordinary finding has led scientists to suggest that dolphins have a "genetic switch" that allows them to mimic diabetes while they are fasting, without suffering any ill effects.
这一奇特发现使得科学家认为，宽吻海豚有一种“基因开关”，能让海豚在禁食时模拟糖尿病状态，但并没有任何病态反应。
Researchers report in the January issue of the journal Cell Metabolism, published by Cell Press, the discovery of a genetic "switch" that drives the formation of a poorly understood type of muscle.
研究者在一月份的细胞杂志中报道说，他们发现了控制一种类型肌肉结构的基因开关，而对这种肌肉类型学者们目前为止还不甚了解。
Researchers report in the January issue of the journal Cell Metabolism, published by Cell Press, the discovery of a genetic "switch" that drives the formation of a poorly understood type of muscle.
研究者在一月份的细胞杂志中报道说，他们发现了控制一种类型肌肉结构的基因开关，而对这种肌肉类型学者们目前为止还不甚了解。
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