Table 1

Derivation of the mean adaptive value of offspring for each of the three strategies of inheritance (biparental, maternal and paternal)

Environnement¹

Offspring fitness

Father

Mother

Offspring

Case i

Number of cases i

Probability of case i

biparental

maternal

paternal

0/0

0/0

0/0

1

n1

p1

1

1

1

0/1

0/1

1/0

2

n2

p2

α

α

α

0/0

1/1

0/0

3

n3

p3

(1 + α)/2

α

1

0/1

1/0

1/0

4

n4

p4

(1 + α)/2

1

α

Total

20,000

1

w_b = p1 + αp2 + (1+ α)(p3 + p4)/2

w_m = p1 + p4 + α(p2 + p3)

w_p = p1 + p3 + α(p2+ p4)

¹ Values before the slash correspond to the plant model and after the slash to the animal model. In the plant model, the father is always in state 0, in the animal model, the offspring is always in state 0

Revardel et al. BMC Evolutionary Biology 2010 10:217   doi:10.1186/1471-2148-10-217