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Table 4 Asymmetry of overall wing size for males raised at 23°C Same as in Table 1 for Drosophila subobscura flies reared at 23°C

From: Genetics and geometry of canalization and developmental stability in Drosophila subobscura

  

Inbred

Outbred

Source of variation

Variance component

d.f

Mean Square

Estimated variance

d.f.

Mean Square

Estimated variance

Individuals (I)

 

107

44.690***

10.9045

215

28.772***

6.8138

   Karyotypes (K)

(CS)

2

41.926n.s.

-0.6021

5

112.284n.s.

0.3480

   Cross K

(CS)

15

128.628***

4.0778

30

62.165***

1.7199

   Among flies

(CS)

90

30.762***

7.4224

180

20.887***

4.8425

Sides (S)

 

1

36.691***

 

1

13.586**

 

I × S

(CS)

107

1.072***

0.3553

215

1.517***

0.6465

   Karyotypes (K)

(CS)

2

2.596n.s.

0.0366

5

0.862n.s.

-0.0110

   Cross K

(DACS)

15

1.277n.s.

0.0454

30

1.259n.s.

-0.0532

   Within flies

(DACS)

90

1.004***

0.3213

180

1.578***

0.6771

Measurement error

(CS)

216

0.361

0.3615

432

0.224

0.2240

  1. Average CS for left (L) and right (R) wings: inbred males = 0.8112, = 0.8072 ; outbred males = 0.8277, = 0.8260.
  2. n.s. P > 0.10; ** P < 0.01; *** P < 0.001.