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Spreadsheet created using Eurogenes's G25 PCA
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http://eurogenes.blogspot.com/2018/02/unleash-power-global-25-test-drive.html
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Eurasian diversity mainly broken down into two broad categories: East Asian & West Eurasian.
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"West Eurasian" is not a region defined by geographic barriers. In includes Europe & southwest Asia.
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Ancient DNA debunked the theory West Eurasians decend from a single "Caucasian" race.
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Ancient DNA debunked the theory modern West Eurasian variation formed in Paleolithic (40k-10k).
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Instead, all clusters formed due to migrations/admixture events that happened in the last 10ky between distinct Paleolithic ancestries
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Multiple short admixture events between distinct ancestries in last 10,000 years formed modern West Eurasian variation
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Roughly 10ky, six distinct clusters existed in West Eurasia.
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WHGEurope, especially western Europe.
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EHGEastern Europe, especially Russia. Roughly 30% WHG, 70% ANE (a unique lineage native to Northern Asia *not related to east Asians).
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AnatolianTurkey
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NatufianLevant, Arabia.
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CHGCaucasus mountains. Related to IranN
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IranNIran. Related to CHG.
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In multiple short periods of admixture between 10ky and 4ky, these populations became shuffled up together to create what modern west Eurasian variation is today.
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**Admixture events involving Europe are proven fact by ancient DNA. Ones involving Middle East are still theory not fact but carry ancient DNA evidence.
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Anatolia>Levant (Natufian)
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9ky. Occured in the Levant region.
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Anatolia>Europe (WHG)
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9-6ky. Neolithization of Europe. Most of Europe essentially became "New Anatolia". Neolithic Europeans varied from 70-100% Anatolian.
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Anatolia>Caucasus (CHG)
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6ky. Anatolian migration into Caucasus.
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Caucasus>Iran/Iraq
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7ky. Caucasus migration into Iraq, Iran. Carried mostly CHG ancestry but also had signifcant Anatolian ancestry.
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Caucasus>Anatolia
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7-6ky. Caucasus migration into Anatolia. Carried mostly CHG ancestry with signifcant Anatolian/Levant ancestry. Made a very big impact.
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Levant>Iraq/Iran (IranNeo)
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7ky. Near Eastern migration into Iraq, iran. Carried both Anatolian & Natufian ancestry.
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Iran/Iran>Levant
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5ky. Migration into Levant. Carried mostly IranN ancestry.
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Southern Russia ("Yamnaya")>Northern Europe
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5ky. Carried a mixture of EHG, CHG ancestry. Admixed, with farmers in northern Europe of 60-70% Anatolian origin & 30-40% WHG origin.
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The main component all West Eurasians share is ancient Anatolian ancestry.
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This is because between 9ky-6ky, Anatolians spread in all directions.
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Large clusters in modern West Eurasia & when they formed.
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There are pretty uniform clusters that cover large areas in west Eurasia today. Each formed due to stablization after an admixture event.
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North Caucasus
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Formed at least as early as 6,000 years ago
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Anatolia+CHG. These ancient Anatolian carried mostly ancient Anatolian but also some Natufian ancestry.
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North Europe
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Formed 4,000 years ago in the Corded Ware & Bell Beaker cultures.
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"South Russian" pastorlists+North European farmers.
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Levant
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Formed 4,000 years ago.
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Levant+Iran/Iraq. Isreal/Palestine, Lebanon, Syria, Jordan. Is present in admixed form in disparso Jews.
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Arabia (Arabs)
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Formed ?????. Distinct, genetic outlier in the Middle East.
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Mostly derived from Natufian-like people but also has some ancient "Iranian" ancestry
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