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New study Iraqi Ethnic Groups - Y DNA
Finally a long needed DNA study of the various ethnic groups of Iraq using 500 samples. Too bad it was restricted to Y-DNA STRs and not a genomewide study. Here is an excerpt from http://journals.plos.org/plosone/art...l.pone.0187408
A glimpse at the intricate mosaic of ethnicities from Mesopotamia: Paternal lineages of the Northern Iraqi Arabs, Kurds, Syriacs, Turkmens and Yazidis
Introduction
Often considered as one of the cradles of human civilization, Mesopotamia encompasses the ancient fertile lands defined by the Tigris and Euphrates river systems. Today, these lands are largely situated in Iraq, which shares borders with Jordan to the west, Syria to the north-west, Turkey to the north, Kuwait and Saudi Arabia to the south and Iran to the east (Fig 1). Iraq has a population of ~40 million, comprising mainly of Arabs and Kurds, but also the Assyrians, Turkmens, Shabakis, Yazidis, Armenians, Mandeans, Circassians, and Kawliya minorities. Accordingly, population genetics of Iraqis is of interest not only because of this ethnic diversity, but also due to the fact that the country was home to the Sumerian, Akkadian, Assyrian and Babylonian civilizations, and ruled by the Persians, Greeks, Arabs, Mongolians, Ottomans and British [1, 2].
The birthplaces of the 500 samples are as follows:
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Not surprisingly, Kurds (n = 104) were the ethnic group that had the highest frequency of R1a and J2 which is consistent with previous studies on the Kurds of Iran and Turkey.
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What they also did was calculate genetic distance based on the Y-DNA STRs. A couple of things to keep in mind with this:
1- Y-DNA STRs reveal ancient relationships between those population because unlike STRs in the autosome they don't change from father to son. Thus they reflect old relationships going back to the TMRCA for the haplogroups they used, which are pretty deep into the phylogentic tree;
2- Females don't enter the equation here since we are talking patrilineal ancestors only
After removing a couple of non-informative groups, this is the sorted list of genetic distance to Kurds with the closest on top, based on their TABLE 3:
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Last edited by Kurd; 01-26-2018 at 01:49 PM.
Reason: color coded table
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