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Table 4 Sources of variation of male genitalia interspecific crosses.

From: Evolution of male genitalia: environmental and genetic factors affect genital morphology in two Drosophila sibling species and their hybrids

Sources of variation

Crosses

 

3512

4855

8832

4853

Size

        
 

df

F

df

F

df

F

df

F

Genotype

2

359.96**

2

204.17**

2

609.06**

2

176.73**

Cactus

1

0.33

1

0.41

 

-

 

-

Genotype × Cactus

2

0.14

2

4.49*

 

-

 

-

Error

38

 

69

 

56

 

34

 

Shape

        
 

df

λ

df

λ

df

λ

df

λ

Genotype

20

0.015**

20

0.095**

20

0.015**

20

0.014**

Cactus

10

0.865

10

0.914

 

-

 

-

Genotype × Cactus

20

0.635

20

0.672

 

-

 

-

  1. F values of the ANOVAs and Wilk's lambda of MANOVAs for aedeagus size and shape respectively. *p < 0.05; ** p < 0.01
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BMC Ecology and Evolution

ISSN: 2730-7182

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