Date:
November 7, 2014
Source:
Genetics Society of America
Summary:
After many generations, rats bred for their bad attitude behave differently from those selected for a calm demeanor around humans. Researchers have now identified gene regions that contribute to differences between nasty and nice rats in their behavior and the activity of genes in the brain. These results may provide important clues as to which genes make tame animals like dogs behave so differently from their wild ancestors.
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