Complex Behaviors Driven By Remarkably Simple Genetics

Humans engage in a lot of complex behaviors, but many of them are learned. Genetics gives us a nervous system that’s flexible enough to incorporate new behaviors, and we pick them up socially. But many animals display highly complex behavior that appears to be instinctual. Which raises the question of how these sorts of behaviors can be programmed into the nervous system genetically.  arstechnica covers the full story here

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