Abstract
Evidence that complex traits are highly polygenic has been presented by population-based genome-wide association studies (GWASs) through the identification of many significant variants, as well as by family-based de novo sequencing studies indicating that several traits have a large mutational target size. Here, using a third study design, we show results consistent with extreme polygenicity for body mass index (BMI) and height. On a sample of 20,240 siblings (from 9,570 nuclear families), we used a within-family method to obtain narrow-sense heritability estimates of 0.42 (SE = 0.17, p = 0.01) and 0.69 (SE = 0.14, p = 6 × 10
| Original language | English |
|---|---|
| Pages (from-to) | 865-875 |
| Journal | American Journal of Human Genetics |
| Volume | 93 |
| Issue number | 5 |
| Early online date | 31 Oct 2013 |
| DOIs | |
| Publication status | Published - 2013 |
Cohort Studies
- Netherlands Twin Register (NTR)
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