Fig. 5From: Why and how genetic canalization evolves in gene regulatory networksRedundancy and indispensability Blue: selected genes (two out of six genes in the network); red: unselected genes; solid lines: simulation from Fig. 2, with genes selected toward intermediate optima; dashed and solid lines: simulation from Fig. 4, with genes selected for extreme optima, respectively 0 and 1. a Redundancy index. Low values indicate a gene regulated in a redundant way. b Indispensability index. Low values indicate a dispensable geneBack to article page