Genetic history of the British Isles

Genetic history is all about the way people's DNA has changed over time. The British Isles includes the countries of the United Kingdom (England, Wales, Scotland, and Northern Ireland), as well as the Republic of Ireland and surrounding islands. Basically, the genetic history of the British Isles tells the story of how people living in the area have changed over time. It looks at things like the types of markers that have changed, and the impact these changes have had on the people living in the area. To put it simply, it's like a story that tells us how the people of the British Isles have changed over time.