Politics in the British Isles Politics in the British Isles The British Isles comprise two sovereign states, Republic of Ireland and the United Kingdom, and three dependencies of the British Crown, Guernsey, Jersey and the Isle of Man. Ireland is a unitary state and a republic. Since 1998, it shares certain common institutions with Northern Ireland, in the United Kingdom, from which it was partitioned in 1921. The United Kingdom is a constitutional monarchy and also a unitary state comprising England, Scotland, Wales, and Northern Ireland. Also since 1998, the United Kingdom has devolved significant domestic powers (though differing in extent) to administrations in Northern
Genetic history of the British Isles Genetic history of the British Isles The genetic history of the British Isles is the subject of research within the larger field of human population genetics. It has developed in parallel with DNA testing technologies capable of identifying genetic similarities and differences between populations. The conclusions of population genetics regarding the British Isles in turn draw upon and contribute to the larger field of understanding the history of humanity in the British Isles generally, complementing work in linguistics, archeology, history and genealogy. Research concerning the most important routes of migration into the British Isles is the subject of debate. Apart