Figure 4
From: Extensive heterosis in growth of yeast hybrids is explained by a combination of genetic models
The number of heterotic hybrids and the mean of their growth rank under each condition by parental strains. (a) All heterotic hybrids under each condition were ranked according to their growth rate (fastest ranked 1, second-fastest ranked 2, etc.). The mean of this rank is shown on the y axis for each parental line (x axis). The size of the bubble corresponds to the number of heterotic hybrids that each parent created under each condition. (b) Correlations between the growth rate of the parental strains and either the number or the growth rate of their heterotic hybrids. The growth of the parental lines was ranked under each condition (fastest ranked 1, second-fastest ranked 2, etc.) and summed over conditions (x axis). The overall number of heterotic hybrids (y axis, blue full circles) was positively correlated with the growth rate of the parent (r=0.78, P=0.0003). The mean rank of the heterotic hybrids of each parent (from a) was averaged across the five conditions (y axis, red empty circles). This mean of heterotic hybrid rank was positively correlated (r=0.65, P=0.006) with the growth rate of the parent. Arrows next to axes explain the trend of the changes.
