Lead author Dr Edmund Gilbert, who is based at RCSI, said the work was helping understand the role of genetic variation in human disease. File photograph: Getty

A complete genetic map of Britain and Ireland, generated by scientists for the first time, provides proof of common ancestry going back hundreds of ye(...)

Lead author Edmund Gilbert of the RCSI says the research shows Ireland acts as a sink of Celtic ancestry, with its genetically closest continental European population lying in the Breton region in northwestern France. Photograph: Brenda Fitzsimons

The next time a Cork man tells you he’s from the People’s Republic, or a Kerryman declares that he is from the Kingdom and is, therefore, special, pay(...)