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As for how much of IQ comes from genes and how much comes from experiences. Some geneticists don’t accept the IGF2R gene-study

admin2009-04-27  44
问题 As for how much of IQ comes from genes and how much comes from experiences.
Some geneticists don’t accept the IGF2R gene-study because
选项 A、the subjects are not selected according to certain standards.
B、the subjects are totally different people.
C、the findings have not been copied by other researchers.
D、the subjects are from groups emphasizing one particular aspect.
答案D
解析 事实细节题。文章末段提到了Plomin实验中存在的重要问题。该段二至四句指出"一种可能是Plomin的研究小组相信了称为筷子谬误的逻辑。基因学家可能认为他们发现了一个能够决定使用筷子技能的基因，但是他们真正发现的是一个与其他地区，例如与非洲相比，在亚洲更常见的基因。同样，Plomin发现的智商基因可能只是在强调学术成就团体中更普遍出现的基因"。从最后基因学家Andrew Feinberg的问话"如果他们发现的基因反映了种族之间的差异又该如何呢?"可以看出，一些人认为Plomin实验的对象选取有问题，他们选择的是某一个区域中的白人孩子，他们身上反映出的基因差异可能只是特定群体中存在的差异，不足以说明人类的基因差异，故"实验对象来自强调某一方面的群体"是本题正确答案。
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