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Are there genetic factors that contribute to interpersonal attraction?

Cindi Sommerled

Without a doubt, genetic factors play a role in interpersonal attraction. Many studies have shown that people tend to choose mates based on certain physical and personality traits, and many of these traits are influenced by genes.

One of the most well-studied physical traits that influence attraction is body scent. Humans emit a variety of chemicals in their sweat, and some of these chemicals are detected by the olfactory system of potential mates. Research has shown that people tend to be attracted to the scent of people who have different immune system genes than themselves, providing potential partners with a wider range of disease resistance. This phenomenon is known as the “sweaty T-shirt study.”

Another physical trait that influences attraction is waist-to-hip ratio (WHR). Men and women with a lower WHR – meaning a smaller waist and larger hips – are generally considered more attractive. This is thought to be because a lower WHR is associated with higher levels of estrogen in women and higher levels of testosterone in men, both of which are important for fertility.

Personality traits are also influenced by genetics and can play a role in interpersonal attraction. For example, many studies have shown that people tend to be attracted to partners who are similar to them in terms of personality. This could be due to shared genes that lead to similar character traits.

Another personality trait that is influenced by genetics and affects attraction is extraversion. People who are more extraverted are generally considered more attractive, as they are seen as more outgoing, confident, and sociable. This could be due to genes that affect the levels of dopamine and serotonin in the brain, which are important for positive emotions and social behavior.

Overall, genetic factors play a significant role in interpersonal attraction. While these factors are not the only ones that contribute to attraction – social and cultural factors also play a major role – they are an essential piece of the puzzle. As we continue to learn more about the genetics of attraction, we may be able to better understand and predict which traits people will find attractive and why.