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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