Multiple genes behaved differently, depending on whether someone had eaten or not before walking.

多种基因表现不同，这取决于一个人在行走前是否吃过东西。

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In the first place, most behaviors are governed by more than one gene, and until recently geneticists had no method for identifying the multiple genes involved.

首先，大多数行为是由不止一个基因控制的，而且直到最近遗传学家还没有方法来识别其涉及的多个基因。

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It appears to run in families and involve multiple genes.

它似乎与家族遗传有关并且涉及到很多基因。

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There are multiple mechanisms that a cell can use to decide which genes it is expressing at any one time and which ones are not expressed.

在某一时刻,决定细胞中哪些基因表达,哪些基因不表达的机理十分复杂

耶鲁公开课 - 生物医学工程探索课程节选

You could imagine strategies where you have multiple resistance genes on a plasmid, resistance to Ampicillin, to Penicillin, to Erythromycin for example, and you design strategies for separating out which cells are carrying the plasmid that you're interested in.

若质粒上有多种抗性基因,你就有很多筛选方法,例如对氨苄青霉素,青霉素,红霉素的抗性,而且你可以设计方法分离出,含有你感兴趣质粒的细胞

耶鲁公开课 - 生物医学工程探索课程节选

The creation of ever-longer stretches of man-made DNA is allowing researchers to make new strides in understanding how multiple genes work together.

FORBES: The Biggest DNA Ever Made

It's probably a combination of multiple genes interacting somehow with the environment.

CNN: Where do allergies come from?

Age-related disease and aging itself involves multiple genes.

FORBES: Why You Should Fear Giant Databases With Your DNA