Scientists in Beijing claim to have found a “singleton” gene, that makes certain people more susceptible to being single.
Researchers from Peking University in China believe that gene 5-HTA1, which regulates the amount of serotonin released, could determine whether people are more suited to being single, or in relationship.
This gene has two versions: G, which releases lower levels of serotonin and C, which releases higher levels.
They took hair samples from 600 students, measuring which type of the gene they had, and plotted it against whether they were in a relationshis.
Those with the G version – with lower levels of serotonin – were found to be 20% more likely to be single than those with the C version.
60% of those with the G version were single, and 50% of those with the C gene were in a relationship.
People with the “singleton” gene were also more likely to be neurotic and pessimistic.
In the study, the researchers said: “As pessimism and neuroticism are detrimental to the formation, quality and stability of relationships, this connection between the G [version] and psychological disorders might decrease carriers’ dating opportunities or lead to romantic relationship failure.”
The researchers said this correlation about relationships status could not be put down to other factors, such as wealth or attractiveness.