Table 1 Partitioning the variance in PEV attributed to genetic and environmental factors
Principal Component 1Principal Component 2
VariableProportion of Variance (%)P-valueProportion of Variance (%)P-value
Among line27.7<1.0 × 10−2215.3<1.0 × 10−22
Second chromosome50.9<1.0 × 10−22<0.10.88
Vial<0.10.33<0.331.6 × 10−6
Among line × second chromosome1.9<1.0 × 10−2231.2<1.0 × 10−22
Within line and residuals19.553.2