Your dog's friendly behaviour is thanks to a genetic tweak

A new study reveals that chromatin's 3D structure significantly influences the evolution of social behavior in dogs

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A new study reveals that chromatin's 3D structure significantly influences the evolution of social behavior in dogs

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Researchers focused on the GTF21 gene, which is associated with hypersociability in humans and found differences in its variants between wolves and dogs.

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The team used brain tissue samples from dogs to study how these genetic variants affect the 3D structure of DNA.

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They discovered that ancient and modern variants of the GTF21 gene influence chromatin loop formation differently, affecting gene expression.

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The findings suggest molecular parallels between dog sociability and human Williams-Beuren syndrome, emphasizing the evolutionary significance of these genetic changes

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Next: This fish uses surprising strategy to regrow spinal cord

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