Sections

Services

Information

UK United Kingdom

Family ties: study finds all Europeans are related

Scientists have uncovered what, for some couples, may be an uncomfortable truth: all people of European descent are related…

People from opposite ends of Europe may still share many common ancestors, the genome study found. http://www.flickr.com/photos/evilerin

Scientists have uncovered what, for some couples, may be an uncomfortable truth: all people of European descent are related.

Go back a few generations and even people from opposite ends of the European continent share common ancestors, according to a new study of genome data published today in the journal PLOS Biology.

Researchers from the University of California, Davis, conducted what they described as one of the first surveys of recent European genealogical ancestry over the past 3,000 years.

“We detected 1.9 million shared long genomic segments, and used the lengths of these to infer the distribution of shared ancestors across time and geography,” the scientists wrote in their paper.

“We find that a pair of modern Europeans living in neighbouring populations share around 12 genetic common ancestors from the last 1,500 years, and upwards of 100 genetic ancestors from the previous 1,000 years.”

The researchers concluded that “individuals from opposite ends of Europe are still expected to share millions of common genealogical ancestors over the last 1,000 years.”

One of the co-authors of the paper, Graham Coop from the University of California, Davis, said the study focused on Europe.

“While it is likely true that all humans world-wide likely share all common ancestors a few thousand years ago, we can only demonstrate this in Europe so far,” he said.

Pause for thought

Associate Professor Darren Curnoe, a human evolution specialist at the University of New South Wales, said the findings should be a major pause for thought.

“This research greatly reinforces the idea that we living humans are all exceptionally closely related, no matter where we live today or our perceptions of our ancestry,” said Dr Curnoe, who was not involved in the study.

“Bigotry based on "race” should be seen for what it is, completely divorced from biological reality. We all share very recent direct ancestors no matter where you come from."

The new findings also apply to Australians of European heritage, he said.

“We can all trace our immediate ancestors back only a handful of generations, only a few thousand years. The differences we think we see are remarkably superficial and largely biologically meaningless,” he said.

“If your ancestors are from a relatively small part of Europe, especially say Eastern Europe, then all of your direct genetic ancestors may have lived only in the last thousand years. For the whole of Europe, this might be just a few thousand years.”

The end of ‘race’?

Professor Maciej Henneberg, Wood Jones Professor of Anthropological and Comparative Anatomy at the University of Adelaide said the findings mean that “all Australians of European heritage are closely related and there is no use distinguishing between Australians of English or Irish ancestry and those of Greek or Italian heritage.”

“Biological anthropologists have argued for the last 50 years that human species cannot be divided into "races” because all humans are so closely related that there is not enough difference between gene pools of people living in different continents to produce reliable biological distinctions between Africans, Europeans, Asians and so on,“ said Professor Henneberg, who was not involved in the study.

“The few externally visible differences like skin colour or nose shape are not enough to justify divisions.”

Professor Henneberg said it was no wonder all Europeans were related.

“In a densely populated continent, genes travel through neighbourly contact. In one generation, somebody marries someone from the next village, in the next, a person from that village marries somebody from yet another village further away and so on,” he said.

“This way, with nobody moving more than 20 kilometres in a generation, a gene can travel about 2000 kilometres (the distance from Berlin to Madrid) in 3000 years.”

Join the conversation

12 Comments sorted by

Comments on this article are now closed.

  1. Julie Leslie

    GIS Coordinator

    How is this news? It is a mathematical impossibility not to have shared ancestors with your mate.

    The number of your ancestors expand geometrically into the past - but paradoxically there were less people (smaller population). The only solutions is that distant (or not so distant) relatives got married and had kids together, thereby 'pruning' the genealogical 'tree'.

    report
  2. Sean Lamb

    Science Denier

    I myself - primarily the stock of Irish and Yorkshire peasants - have a few Grand Dukes of Lithuania in my genetic makeup.
    Provided that none of the women in the branch of my family tree that wends it way into an obscure branch of Irish bog nobility were no better than they ought to be.
    Otherwise its just irish and yorkshire.

    report
  3. Murray Webster

    Forestry-Ecology Consultant/Contractor

    " “We can all trace our immediate ancestors back only a handful of generations, only a few thousand years"

    Seems unlikely for Aborignal Australians doesn't it? 40 000 + yrs in Australia?

    report
  4. Jim KABLE

    teacher

    Julie, This is news for those who are wilfully "blind" to this evidence of our relatively closely-connected selves and the carefully constructed nonsensical and racist hierarchies of Europeans of the mid-19th century. You might have understood this but out there in "ill-educated" every-burb there are those still fooled into thinking difference of any degree is a huge remove from their own purity. Yorkshire (of Viking/Norse/Danes origin - and/or what else) - yes - me too, Sean. And Irish (though the…

    Read more
    1. Murray Webster

      Forestry-Ecology Consultant/Contractor

      In reply to Jim KABLE

      Hi Jim, pls don't infer any 'points' other than my own technical/mathematical need for all the numbers to support the statements.
      I find that people can discriminate on anything e.g preferred football codes and teams...political party....dress sense...But agree totally with your ultimate sentence.

      report
  5. Luke Weston

    Physicist / electronic engineer

    All people of European descent are related?

    Really? That's news now?

    All living things are related.

    report
  6. Michael Mihajlovic

    Retired

    Can anyone explain, if we are all related, how come, Serbians, Russians and Indians, to name a few, have distinctly unique physical and facial features?
    I am not disputing anything, I am just curious. Is it perhaps that originally we come from a common source, but, over ages have separated into groups in different geographical areas?

    report
  7. Thomas Fields

    "progressive" watcher

    The article seems to be more about attacking 'racists' than discussing the genetic links of Europeans.

    report
  8. aligatorhardt

    logged in via Twitter

    It seems like common sense to think that people seldom use nationalistic divisions to determine who to date and marry. In my own lineage I have been told by that it included German, Italian, French, and Swiss, and my first marriage was to a person of Italian, Native American, and British lineage. Obviously we are all mutts.

    report
  9. ernest malley

    farmer

    I really want to know where that strange little, free floating, chin bone which distinguishes Neanderthal & H Sap. came from. All evolution results from conferred advantage of mutations so what was that pointy bit good for?

    report