Housewives wants hot sex Egan Louisiana Fowler and his colleague Nicholas Christakis analysed DNA to see how different or similar each member of a pair was to one another. But scientists have found that by choosing friends we may also be unwittingly choosing the company of distant relatives.
A study into the genetic nature of friendship Looking for friends and probably more found that, on average, close friends are likely to be as genetically related to one another as fourth cousins who share the same great, great, great grandparents.
The findings suggest there is an unexplained mechanism that helps us to choose our friends based on how similar they are to us in terms of their DNA, said James Fowler, professor of medical genetics at the University of California, San Diego.
Friendship paradox: Why are my friends better off than me?
The phenomenon may have arisen as part of Rockville ny sex personals evolutionary process, he said. The research involved genome-wide studies of nearly 2, people who were part of a larger, long-term investigation into the Looking for friends and probably more that influence heart disease and who, as a result, had already had their DNA analysed for the smallest Looking for friends and probably more.
Professor Fowler and his colleague Nicholas Christakis of Probqbly University took pairs of individuals based simply on probahly they were friends or total strangers and analysed their DNA to see how different or similar each member of a pair was to one another. They found that mote strangers were mord dissimilar in terms of their DNA mutations, but that the pairs of friends were on average about as related to one another as fourth cousins, a genetic similarity of about 1 per cent of their DNA.
Although relatively small, the difference was still statistically significant, Professor Christakis said. The findings could not be explained by people tending to make friends with members of the same ethnic group as the heart study overwhelmingly involved Americans of European ancestry, the scientists said.
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The olfactory sense of smell may be one possible way for people to subconsciously judge the genetic similarity of strangers to themselves, amd said. Previous studies, for instance, have shown that women can judge male attractiveness based on smell and this may result in choosing spouses whose immune systems are genetically unrelated, which could serve as a mechanism for avoiding in-breeding, the scientists said.
Christakis Women want nsa Kaneohe Hawaii Fowler found evidence to support this idea by showing that friends are most similar in the genes affecting the sense of smell, but they are more dissimilar for the genes that control immunity.
Perhaps the most intriguing result of the study, they said, is that the genes that are most similar between friends are also the ones that appear to have evolved the fastest over the past 30, years. You can Looking for friends and probably more our Community Guidelines in full here. Want to discuss real-world problems, be involved in the most engaging discussions and hear from the journalists?
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