Figure 3
Scatterplots comparing the log 2 (sample/reference) expression values between each of the parental species ( Drosphila sechellia , top; D. simulans , bottom) versus the F1 hybrids at the (A) larval, (B) early pupal, (C) late pupal and (D) adult stages. Green: genes overexpressed in the hybrid relative to both parents. Red: genes underexpressed in the hybrid relative to both parents. Orange: genes significantly differentially expressed between parental species and expressed at D. sechellia levels in the hybrid. Blue: genes significantly differentially expressed between parental species and expressed at D. simulans levels in the hybrid. Grey: all other genes. The number of genes represented in each category is shown in Table 1.