Parallelism of gene expression changes across categories.

<p>Instances of fully (blue) and partially (purple) restored, unrestored (red), reinforced (orange), or novel (green) changes in gene expression that occurred in parallel across the evolved lines. Novel is separated here into both increases (light green) and decreases (dark green) in expression for that gene. Dashed lines represent the parallelism of partially restored genes when combined with either fully restored (dashed blue) or fully unrestored (dashed red) changes.