Fig. 5
From: Expectations of duplicate gene retention under the gene duplicability hypothesis
Mutational opportunity – surface of the probability ratio over various times for t1 and t2 for given proportion of the starting genome in the Alt_func category, Dos category, and Non category (αAlt_func, αDos, αNon respectively) and βswitch_mo equal to 0.25, which is the proportion of the Alt_func category that switches to the Non category during t2 because they cannot neofunctionalize or subfunctionalize again. a αAlt_func = 0.75, αDos = 0.0, αNon = 0.25, b αAlt_func = 0.60, αDos = 0.15, αNon = 0.25.     c αAlt_func = 0.45, αDos = 0.3, αNon = 0.25.     d αAlt_func = 0.3, αDos = 0.45, αNon = 0.25.     e αAlt_func = 0.15, αDos = 0.6, αNon = 0.25.     f αAlt_func = 0.0, αDos = 0. 75, αNon = 0.25.     g αAlt_func = 0.5, αDos = 0.0, αNon = 0.5.     h αAlt_func = 0.4, αDos = 0.1, αNon = 0.5.     i αAlt_func = 0.3, αDos = 0.2, αNon = 0.5.     j αAlt_func = 0.2, αDos = 0.3, αNon = 0.5.     k αAlt_func = 0.1, αDos = 0.4, αNon = 0.5.     l αAlt_func = 0.0, αDos = 0.5, αNon = 0.5.     m αAlt_func = 0.25, αDos = 0.0, αNon = 0.75.     n αAlt_func = 0.1, αDos = 0.15, αNon = 0.75.     o αAlt_func = 0.0, αDos = 0.25, αNon = 0.75