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Biologist searches for the genetic building blocks of social behavior across species

Biologist searches for the genetic building blocks of social behavior across species

For Hans Hofmann, the quest for the genetic building blocks of human behavior begins with a small fish. Consider this scene: A subordinate male cichlid fish decides he's ready to challenge a dominant male for territory and for the favor of fertile females. They fight. The subordinate male wins. And just like that, they switch.…   » Continue Reading