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Table 2 Analysis of variance on development time (A) and viability (B)

From: A novel method for quantifying the rate of embryogenesis uncovers considerable genetic variation for the duration of embryonic development in Drosophila melanogaster

Source Df Sum Sq Mean Sq F value P σ2 (%)
A - minimal adequate model for DT
Density 1 1.32E-08 1.32E-08 932.695 1.30E-48*** 94.60
Strain 1 1.21E-10 1.21E-10 8.530 0.0044** 0.87
Embryo age 2 4.10E-11 2.00E-11 1.441 0.2423 0.14
Density – Strain 1 4.97E-10 4.97E-10 35.167 5.82E-08*** 3.56
Density – Embryo age 2 2.03E-10 1.01E-10 7.170 0.0013** 0.72
Residuals 88 1.24E-09 1.40E-11    0.10
B - minimal adequate model for EAV
Strain 1 0.545 0.545 44.993 3.07E-08*** 70.83
Density 1 0.186 0.186 15.364 3.06E-04*** 24.18
Strain – Density 1 0.026 0.026 2.167 0.148 3.42
Residuals 44 0.533 0.012    1.57
  1. Abbreviations: df. degree of freedom, σ 2 variance component
  2. **p < 0.01; ***p < 0.001