Table 4 Results of the ANOVA applied to the average number of spots in each cross, to assess the effects of karyotype, density, temperature, sex, cross (nested by karyotype) and all possible interactions

From: Colour polymorphism in Drosophila mediopunctata: genetic (chromosomal) analysis and nonrandom association with chromosome inversions

Source

Sum of squares

df

Mean square

F-ratio

P-value

Karyotype (K)

6.388

1

6.388

53.725

<0.001

Density (D)

0.026

1

0.026

0.215

0.644

Temperature (T)

34.804

1

34.804

292.709

<0.001

Sex (S)

2.587

1

2.587

21.753

<0.001

Cross (karyotype)

21.609

23

0.940

7.902

<0.001

K × D

0.067

1

0.067

0.563

0.454

K × T

2.856

1

2.856

24.017

<0.001

K × S

0.031

1

0.031

0.257

0.613

D × T

0.018

1

0.018

0.148

0.701

D × S

0.001

1

0.001

0.008

0.931

T × S

0.968

1

0.968

8.142

0.005

K × D × T

0.010

1

0.010

0.085

0.770

K × D × S

0.003

1

0.003

0.024

0.876

K × T × S

0.049

1

0.049

0.412

0.522

D × T × S

0.002

1

0.002

0.017

0.897

K × D × T × S

0.007

1

0.007

0.060

0.808

Error

18.906

159

0.119

  
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