Skip to main content

Table 3 Pay-off matrix for +/+ and +/t males for different mating scenarios, and relative fitness for +/t males and the t haplotype

From: Meiotic drive changes sperm precedence patterns in house mice: potential for male alternative mating tactics?

 

Monandry

Polyandry

 

First-to-mate

Second-to-mate

No rival

+/+ rival

+/t rival

+/+ rival

+/t rival

Paternity share focal +/+ male

1

0.85

0.89

0.15

0.89

Paternity share focal +/t male

1

0.11

0.07

0.11

0.93

Relative fitness +/ t male

1

0.13

0.08

0.73

1.04

Relative fitness t haplotype

1.8

0.23

0.14

1.32

1.88

  1. Paternity estimates are based on GLMM model predictions for a scenario where both males ejaculate once and the interval between the first and second male’s ejaculation as well as female genotype are centered (see results). Paternity shares for sperm competition between +/+ and +/t males are taken from Sutter and Lindholm [20]. Relative fitness (indicated in bold) is expressed for the +/t male (the t haplotype), with the fitness of the +/+ male (the t haplotype’s + counterpart) set to one. Relative fitness of the t haplotype thus combines paternity share with segregation distortion. Transmission of the t from +/t males was assumed at 0.9 as estimated for this laboratory population elsewhere [45]