I’m a junior author on a new paper from Erik Hanschen and colleagues, “Multicellularity drives the evolution of sexual traits.”

Figure 3 from Hanschen et al. 2018. Figure 3. Ancestral state reconstructions of six sexual characters. A, Evolution of all (green) and reduced number of (black) meiotic products germinating from a diploid zygospore. B, Evolution of isogamy (green), anisogamy (blue), and oogamy (black). C, Evolution of external (green) and internal (black) fertilization. D, Evolution of normal females (green) and extrafertile females (black). E, Evolution of normal males (green) and dwarf males (black). 

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