
Expression dominance in homeolog gene pairs during leaf development. (A) Nonregulatory neofunctionalized homeologs. (B) Regulatory neofunctionalized in only foliar leaves. (C) Regulatory neofunctionalized in only husk leaves. (D) Regulatory neofunctionalized in foliar and husk leaves. X-axis labels refer to distinct developmental stages in both foliar and husk leaf development. (P) Plastochron; (I) immature leaf; (E) fully expanded leaf (Wang et al. 2013).











