In a UCL study of Y-chromosomes of men living in Britain, from east Anglia to Wales, those from towns in central and eastern England differ significantly from those in Wales.

通过英国伦敦大学学院对居住在英国的男人的Y染色体研究来看，从东英吉利，到威尔士，不同于城市中部的人，东英格兰人明显不同于威尔士人。

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All Y chromosomes in existence today are descended from a single ancestor's who is thought to have lived about 140,000 years ago.

现在存在的所有 Y 染色体都来自于一个被认为生活在大约14万年前的同一祖先。

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However, in 2000, scientists announced that the X and Y chromosomes were once a pair of identical twins.

然而，在2000年，科学家曾宣布，X染色体和Y染色体曾经是同卵双胞胎。

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That distribution suggests that some of the first men to bear the haplogroup in their Y-chromosomes were residents of Doggerland, a real-life Atlantis that was swallowed up by rising seas in the millennia following the Ice Age.

FORBES: Portrait of an Irish Genotype