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Table 1 Derivation of the mean adaptive value of offspring for each of the three strategies of inheritance (biparental, maternal and paternal)

From: Sex-biased dispersal promotes adaptive parental effects

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 wb = p1 + αp2 + (1+ α)(p3 + p4)/2 wm = p1 + p4 + α(p2 + p3) wp = p1 + p3 + α(p2+ p4)
  1. 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