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Bad eating habits, increased food availability, increasingly sedentary lifestyle

游客2023-09-15  44
问题 Bad eating habits, increased food availability, increasingly sedentary lifestyle and reduced physical activity are the first four causes of the obesity epidemic. [br] Studies indicate that obesity is heritable, and the heritability is ______.
选项
答案 65%
解析 本题涉及到肥胖遗传问题，从而将题目出处定位到Fat Equals Fecund部分。该部分第四段第二句提到，这是因为肥胖是具有遗传性的，对双胞胎的研究表明肥胖遗传率是65%，这可直接得出答案。
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