American geneticists have crafted the largest genealogy of 13 million people

geneticists have crafted a huge genealogy of 13 million people based on data from genealogy websites, according to foreign media, and the results were published in
journal.
, there are now many online genealogy production services through which you can add kinship information or find distant relatives. Using a database of one of the platforms, the researchers analyzed 86 million of these profiles and identified their kinship, producing more than 5 million genealogies, the largest of which included 11 generations of 13 million people, mainly European and North Africans, who lived between 1660 and 2000.
found that different social groups have certain patterns. For example, women migrate more frequently than men, but men tend to migrate farther, sometimes even to other countries. This may be constrained by economic factors.
addition, finding a partner is affected by traffic developments: before the 19th century, people chose people living within 8km to be their other half, and by 1950 the range had expanded to 100km.
, the researchers calculated that genetic factors affected aging by only 16%, with the rest determined by the environment and lifestyle. (Source: ChinaNews.com)