But not limited to biological and abiotic. Although personality has a certain relationship with the genes contained in its body, in fact, the influence of acquired environment has played a great role in the formation of personality. Personality has a great relationship with family atmosphere and long-term living environment.

Studies have proved that genes can really determine not only appearance, but also personality. The author calls the interaction between genes and environment "fate", and the reaction made by people is called "choice". Although fate is mainly determined by heredity, it is also influenced by the environment. Different people's different choices promote the diversity of the world.

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The "talkative gene" is called OXT, which determines the production of oxytocin. Oxytocin not only helps women give birth, but also plays an important role in social behavior, affecting people's emotions, trust and fear.

Volunteers who are talkative and have a high level of gene methylation show a higher degree of "unsafe attachment" to others and are not good at adapting to the social environment; On the contrary, volunteers with low methylation level of OXT gene produce higher levels of oxytocin, show higher "safe attachment", are better at identifying the emotions behind other people's facial expressions, and have stronger social skills.

People's Network-Is a person's personality determined by genes?

People's Daily Online-Scientists have found that the "talkative gene" determines whether a person is good at socializing.