Article Correctness Is Author's Responsibility: Do Genetics Control Who Our Friends Are? It Seems So With Mice

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This shows two mice sharing a waterbowlA new study reveals there appears to be a neurobiological component that drives instantaneous compatibility, in mice at least. A variation of the PDE11 enzyme found in brain areas governing mood and motivation seems to control whether mice want to socially interact or not, with genetically similar mice preferring each other.