As for how much of IQ comes from the genes and how much come from experiences,______. Some geneticists don’t accept the IGF2R g

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

选项 A、the subjects are not worldwide
B、the subjects are from the groups that emphasize academic achievement
C、the findings have not been replicated by other researchers
D、both A and B

答案D

解析 细节题。题意为:"一些基因学家不接受IGF2R基因研究,因为______"。在文章最后一段,选项"实验对象不是从世界范围内选出来的"以及选项"实验对象是从强调学术成就的那组人里选出来的"都是一些基因学家对这一研究不认可的理由,因此答案选项正确。选项"别的研究者未得出相同结论"文中未提及。
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