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. 2012 Aug 14;7(8):e42744. doi: 10.1371/journal.pone.0042744

Table 3. Probabilities of offspring outcomes from cultural trait pairings.

T t N N
T×T Inline graphic Inline graphic N×N Inline graphic Inline graphic
T×t Inline graphic Inline graphic N×n Inline graphic Inline graphic
t×T Inline graphic Inline graphic n×N Inline graphic Inline graphic
t×t Inline graphic Inline graphic n×n Inline graphic Inline graphic

For each mating, the probability of transmitting each trait is given. For example, a mating between a T individual and another T individual will result in a T offspring with probability b 3 and a t offspring with probability (1−b 3).