Figure 7From: Genome-wide modeling of complex phenotypes in Caenorhabditis elegans and Drosophila melanogaster Two dimensional Principal Components Analysis (PCA) of gene set results from whole genome microarray expression values from C. elegans larva, 6Â day adult worms, and 15Â day Adult C. elegans (GEO# GSE21784) showing age as the principal variation component. Back to article page