In broad terms, the heritability of a trait measures the extent to which differences among members of a population can be explained by differences in their genetics.

广义上讲，性状遗传性衡量的是群体成员间的差异在多大程度上可以用基因差异解释。

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09052823】 Thank parasites for making some of our immune proteins into the inflammatory defenders they are today, according to a population genetics study in the Journal of Experimental Medicine.

最近《实验医学杂志》上一篇关于种群遗传学的论文提出一个观点：人体免疫蛋白之所以有今天这样的疾病抵御能力，还得归功于各种病菌。

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More sophisticated genetics research will help explain the combination of genetic factors contributing to the vast majority of the obese population.

更多精密的基因研究将帮助解释基因因素的联合如何成为大部分人群的肥胖原因。

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Here, the focus is on studying the genetics of diseases that particularly afflict the Chinese population, such as hepatocellular carcinoma, a form of liver cancer.

ECONOMIST: Chinese biotechnology

Some critics, such as Marcus Feldman, a professor of population genetics at Stanford University, says the work on twins is tainted by politics.

ECONOMIST: WHAT WE LEARN FROM TWINS