Behavior Linked to Genetics

Fear, boldness, and social tendencies are rooted in your DNA: Japanese Study.

This is the most comprehensive behavioral-genetic dataset ever created in Drosophila melanogaster (fruit flies):

36,600 flies. 105 distinct genotypes. Standardized threat simulations. Single and group contexts.

Result:

→ Behavior is not random
→ Behavior is heritable

In identical environments, genetically distinct flies responded differently to the same thre…