现已明确，肥胖亦是一种复杂性状(complex traits)，其发生是由多种遗传因素以及环境因素共同作用所致。其中遗传因素对其影响在不同种族中有30%～75%不等〔1〕。
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As an extension of QTLNetwork software, this system provided a new tool for QTL analysis of complex traits.
该系统作为QTLNetwork软件的一个拓展,为复杂性状的QTL定位提供了一个新的分析工具。
参考来源 - 基于Web的QTL定位系统的构建·2,447,543篇论文数据，部分数据来源于NoteExpress
This is the opposite. We're showing how complex traits like memory can be built from the bottom up, from things that are really very simple.
现在刚好相反，我们所做的是从底层的，一些确实非常简单的东西构建像记忆能力一样的复杂特性。
"Handedness has a genetic basis, but like other complex traits - height, weight - it is complex," he said. "it's not a single gene that leads to it."There's a strong environmental component, too.
“偏手性有基因基础，但是同人的其他特征——如身高、体重——一样，十分复杂，”他说，“单独一个基因并不能导致它，环境因素在其中也有很大作用。”
"Handedness has a genetic basis, but like other complex traits - height, weight - it is complex," he said. "it's not a single gene that leads to it." There's a strong environmental component, too.
“偏手性有基因基础，但是同人的其他特征——如身高、体重——一样，十分复杂，”他说，“单独一个基因并不能导致它，环境因素在其中也有很大作用。”
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