Multiplegenes 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。
2
In the first place, most behaviors are governed by more than one gene, and until recently geneticists had no method for identifying the multiplegenes 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。
3
It appears to run in families and involve multiplegenes.