Fig. 1

Gene Expression Correlation, DEG Counts, and PCA Among Groups. a The gene expression (of all genes) correlation coefficient, sorted from high to low, among all groups of coho salmon with different genotypes. Groups with “Dip” in their names are diploid, while those with the “Trip” in their names are triploids. The different numbers in each name represents the number of transgenic growth hormone genes in the genomes of that group. b A heatmap of the number of shared DEG(s) between different groups produced in R [85] using the heatmap.2 function in [86]. c A plot of the first two largest principal components of a global gene expression principal component analysis. All individual coho salmon are plotted with the colour representing the group to which they belong to. Growth hormone gene expression (FPKM) is overlaid to highlight patterns of groupings based on growth hormone rather than genetic background. The dotted line indicates where most individuals are separated as either wild or transgenic, only one transgenic individual (a Dip1) is associated with wild fish (indicated on the figure)