Thursday, May 2, 2019

The Irish, the Vikings and the Normans

From Irish Central:
By comparing 1,000 Irish genomes with over 6,000 genomes from Britain and mainland Europe, genetic clusters within the west of Ireland, in particular, were discovered for the first time, leading the researchers to investigate if invasions from the Vikings and Normans to the east may have influenced genetics in that part of the country. The genetics of the world’s estimated 80 million people who claim Irish heritage may now be more complicated than originally believed but research such as this could go some way to identifying if there are any specific traits or illnesses that are linked to these genetic clusters. 
“This subtle genetic structure within such a small country has implications for medical genetic association studies,” said Trinity College Dublin geneticist Dr. Ross Byrne. “As it stands current corrections for population structure in study designs may not adequately account for this within-country variation, which may potentially lead to false positive results emerging. (Read more.)
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