Table 1 Means and variances of the trait values across different genotypes under XCI and XCI-E.
From: Robust association tests for quantitative traits on the X chromosome
Sex | Genotype | XCI | XCI-E | ||||
|---|---|---|---|---|---|---|---|
gi | E(yi) | Var(yi) | gi | E(yi) | Var(yi) | ||
Female | aa | 0 | μf0 = βc + βz | \(\sigma _{f0}^2 = \sigma ^2\) | 0 | μf0 = βc + βz | \(\sigma _{f0}^2 = \sigma ^2\) |
Aa | γ | μf1 = βc + γβg + βz | \(\sigma _{f1}^2 = \sigma ^2 + \theta + \frac{\gamma }{2}\left( {1 - \frac{\gamma }{2}} \right)b^2\) | 1 | μf1 = βc + βg + βz | \(\sigma _{f1}^2 = \sigma ^2 + \theta\) | |
AA | 2 | μf2 = βc + 2βg + βz | \(\sigma _{f2}^2 = \sigma ^2 + \tau\) | 2 | μf2 = βc + 2βg + βz | \(\sigma _{f2}^2 = \sigma ^2 + \tau\) | |
Male | a | 0 | μm0 = βc | \(\sigma _{m0}^2 = \sigma ^2\) | 0 | μm0 = βc | \(\sigma _{m0}^2 = \sigma ^2\) |
A | 2 | μm1 = βc + 2βg | \(\sigma _{m1}^2 = \sigma ^2 + \tau\) | 1 | μm1 = βc + βg | \(\sigma _{m1}^2 = \sigma ^2 + \tau\) | |
