Fig. 2From: Heterosis of growth trait regulated by DNA methylation and miRNA in allotriploid fishA model for gene expression mediated by DNA methylation and miRNA in the allotriploid complex of red crucian carp (2nRR) and common carp (2nCC). In the hybrid system, the small RNAs originating from subgenomes R and C regulated the expression of homoeologous genes in the triploids. A similar regulatory model was described in Arabidopsis allotetraploid [22, 23]Back to article page