Figure 2.

The nine alternative hybridization scenarios compared in the coalescent framework. Beneath each tree, the number of parameters in the model (k) is given as well as the AIC. The lowest AIC values are observed for trees F and I, which indicate a similar fit for these scenarios.

Roos et al. BMC Evolutionary Biology 2011 11:77   doi:10.1186/1471-2148-11-77
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