Dna Tests Have Been Used To Determine Paternity Across Social Groups.

When the race was on to capture the human genome

, it was frequently regarded as a scientific exercise with little practical application. While there is a wonder at the ability to define so precisely the nature of humans genetic make up, its actual worth was seen more in terms of achievement than its impact on daily life. And yet, in the past five years, paternity tests have become a major part of life, and DNA testing has moved into medical circles as a preventative strategy. It is even being used to develop family trees and to plot the movement of social groups around the world.

Through DNA tests, it has been possible to track the progress of particular genetic groups: the invasions of Europe by the Mongols have been shown to have heavily changed the genetic foundations of many continental countries, with large numbers of Europeans having a surprising genetic heritage. On a smaller scale, DNA tests have been used to determine paternity across social groups. While this may appear to be intrusive, it actually allows doctors to trace genetic predispositions to certain illnesses.

On one level, DNA tests are the stuff of science fiction. It is easy to find out both an individuals biological ancestors and to analyse their physical condition in far more detail. While natural selection has often been seen as the great scientific break-through, it lacks the same immediate social impact that DNA testing has had.

The paternity test may appear to be a mere piece of dramatic revelation at the end of the latest episode of a talk show- certainly, it has been popularised by television. Yet it is the mere tip of an iceberg of restless scientific advances that change the way we understand ourselves, and recreate the way that we perceive our past.

by: Mubashir Ali

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