Malleable Genes
Concept · Stellaris 4.5.2
Malleable Genes in the Stellaris encyclopedia: Species with this Trait cannot be Genetically Modified
Malleable Genes in the game's words
The encyclopedia entry as the game shows it in its tooltips; underlined words open their own entry or page here.
Species with this Trait cannot be Genetically Modified
Auto-Modding Traits automatically adjust to better suit the job that a 
Pop is currently working. Malleable Genes picks modifiers from the Malleable Genes Auto-Mod Trait List
Source: common/game_concepts (concept_malleable_genes) and localisation/english, Stellaris Cygnus v4.5.2 (9776).