Welsh and Cornish are the 'purest Britons', scientists claim
Scientists drew up a map of the British Isles revealing the genetic ancestry of people from different rural areas across the UK.
After extensive DNA surveying, they found that Welsh and Cornish people were among the most genetically distinct groups in the country.
One theory for the difference in their DNA is that they are a "relic" population, tracing their ancestry back to the tribes that colonised Britain after the last Ice Age 10,000 years ago.
Welsh genes proved to be similar to those of the French and Irish, suggesting they were connected to the pre-Roman population....