Why Are the Finns Genetically Different from Scandinavians?

Описание: Finland looks Scandinavian on a map. But genetically, the Finns are one of Europe's biggest outliers. They carry more hunter-gatherer ancestry, less Neolithic farmer ancestry, and five to thirteen percent Siberian-related DNA that most Europeans don't have — a component linked to the arrival of Uralic languages during the Iron Age. Their dominant Y-chromosome haplogroup, N1c, carried by up to sixty-four percent of Finnish men, traces back to Siberia and is virtually absent in Scandinavians. Their language — Finnish — belongs to the Uralic family, completely unrelated to the Indo-European languages spoken across the rest of the Nordic world.
Two severe population bottlenecks, roughly four thousand and two thousand years ago, crushed genetic diversity and produced the Finnish Disease Heritage — thirty-six rare genetic disorders found almost nowhere else. The internal genetic distance between Western and Eastern Finns is greater than the distance between the British and Northern Germans. The Finns aren't Scandinavian by blood. They're something else entirely.
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📚 SOURCES:

Sajantila, A. et al. — "Paternal and Maternal DNA Lineages Reveal a Bottleneck in the Founding of the Finnish Population," PNAS (1996)
Kittles, R.A. et al. — "Dual Origins of Finns Revealed by Y Chromosome Haplotype Variation," American Journal of Human Genetics (1998)
Palo, J.U. et al. — "Genetic Markers and Population History: Finland Revisited," European Journal of Human Genetics (2009)
Översti, S. et al. — "Patterns of Genetic Connectedness Between Modern and Medieval Estonian Genomes," American Journal of Human Genetics (2021)
Lim, E.T. et al. — "Distribution and Medical Impact of Loss-of-Function Variants in the Finnish Founder Population," PLoS Genetics (2014)
FinnGen Project — University of Helsinki (2017–present)

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