Scientists Unveil Genetic Links to Personality Traits

10:10 PM ETDeveloping

Science Desk

In Short: A new study has identified over 1,200 genetic variants associated with personality traits, shedding light on the complex interplay between genetics and behavior.

In a groundbreaking study published in Nature, an international team of researchers has identified more than 1,200 genetic variants linked to the five major personality traits. This extensive analysis, which involved over 1.1 million participants, brings new insights into the genetic underpinnings of personality.

The research, conducted by an international team, combined data from 46 research cohorts to examine the genetic differences associated with personality and other outcomes. The study found 1,260 lead genetic variants linked to the Big Five traits, with 824 of these variants not previously associated with the corresponding personality characteristics.

The findings suggest that many small genetic influences may contribute to personality, which can then be linked with behavior, health, and other experiences over a lifetime. Common genetic variants explained only a relatively small share of the differences in personality between people, ranging from 4.8% to 9.3%, depending on the trait and analysis.

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But new research suggests that DNA may also play a role, and the influence of those genetic differences may extend into parts of life that seem far removed from personality.
The analysis also found associations between personality-related genetics and outcomes involving mental and physical health, education, longevity, careers and income.
Life experiences, upbringing, and surroundings clearly shape personality.
The findings do not mean that someone's genes dictate who they will become.

Sources

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