"Genetics is the study of how traits are passed from one generation to the next. The genes inherited from each parent shape baseline tendencies in temperament, stress reactivity, and emotional sensitivity."
"Specific gene systems involved in oxytocin, serotonin, and dopamine signaling have been studied in connection with bonding, anxiety, and reward, influencing how individuals respond to emotional cues."
"Recent behavioral-genetics reviews suggest the combined genotypes of both partners may account for only around 4% of the variation in marital satisfaction, indicating that interpersonal dynamics are more significant."
"Personality traits like introversion and neuroticism are moderately heritable, but this does not imply fixed behavior; rather, it highlights starting positions influenced by genetics."
The Human Genome Project raised questions about the genetic basis of love. Genetics influences traits like temperament and emotional sensitivity, but research shows that genetic factors account for only about 4% of marital satisfaction. The majority of relationship dynamics stem from interactions between partners. Personality traits and temperamental qualities are moderately heritable, indicating a genetic influence, but behavior is not fixed. The interplay of genetics and daily experiences shapes emotional responses and relationship outcomes.
Read at The Gottman Institute
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