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Table 1 ANOVA of the proportion of offspring sired by a male when mating in the disfavoured role of sperm competition (P2).

From: Experimental evolution of sperm competitiveness in a mammal

Effect

SS

df

MS

F

P

Male selection history

12.51

1, 6

12.51

32.88

0.008

Male line[selection history]

2.68

6, 49

0.45

0.50

0.804

Female selection history

3.22

1, 6

3.22

5.00

0.070

Female line[selection history]

3.91

6, 49

0.65

0.73

0.625