Edited sentence: It shows that three-quaters of the ancestry of the British and Bretons is derived from hunter-gatherers from the Basque country migrating into Britain after the end of glacial ice.The Celtic Fringe of the British Isles was DNA tested, the predominant genetic hablogroup was R1b which is common in Basques, Welsh, Irish, Scots, and Bretons.The population of Britain later adopted Celtic culture and language