Table 4

Sources of variation of male genitalia interspecific crosses.

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
-
-

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

Soto et al. BMC Evolutionary Biology 2007 7:77   doi:10.1186/1471-2148-7-77