Estimation of additive genetic and environmental sources of quantitative trait variation using data on married couples and their siblings.

Abstract excerpt

Twin studies have been used to understand the sources of genetic and environmental variation in body height, body weight and other common human quantitative traits. However, it is rather unclear whether these two sources of variation could be really separated in practice. Here, we consider a special study design where phenotype data from married couples and their siblings have been collected. The marital status...

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