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Thread: 4500-year-old Ethiopian - Y-DNA E1b1, mtDNA L3, and considerable Eurasian admixture

  1. #11
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    Mota has a notable 'Eurasian' (Proto-Eurasian?) pull in the PCA, but nothing in the formal stats...


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    Quote Originally Posted by Lank View Post
    Mota has a notable 'Eurasian' (Proto-Eurasian?) pull in the PCA, but nothing in the formal stats...

    If he had been included in the Hodgson et al. study he would have had a lot of the "Ethiopic" component, which was close both to the Nilo-Saharan and Ethio-Somali one (the latter said to be of Eurasian origin by the authors).

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    They should have used a Crown Eurasian like Ust-Ishim.
    E-M84>FGC18389>FGC18413>FGC18401>FGC18422>Y99171 tMRCA 2550ybp

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    Quote Originally Posted by Lank View Post
    Mota has a notable 'Eurasian' (Proto-Eurasian?) pull in the PCA, but nothing in the formal stats...

    It's like Ust-Ishim, his place on a global PCA doesn't fully correspond to his ancestry. The total lack of Neanderthal and Denisovan is the thing that supports him being 100% African the most, modern Africans do have traces including those further from Eurasians on a PCA.

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    Quote Originally Posted by MfA View Post
    They should have used a Crown Eurasian like Ust-Ishim.
    They did use Loschbour, which also gave a significant result. From the paper, compared to the top match to the WE in Yoruba (Sardinian):

    D(Yoruba, Mota; Sardinian, Han), D=0.0098 Z=5.008
    D(Yoruba, Mota; Loschbour, Han), D=0.0059 Z=3.366

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  10. #16
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    Most of Africa has experienced the Bantu expansion even more recently than this, which has spread genes all over the place. East African (Cushitic?) pastoralists seem to have gone all the way to South Africa. Then there are people who have migrated back and forth across the Sahel. There are Arab migrants in all kinds of places, there is recent European colonial admixture in South Africa (some Khoisan have a lot). The Mbuti speak a Central Sudanic language that they must have picked up from East Africans, the Biaka speak Bantu (and intermarry with them). All kinds of mixing and stirring going on, and that's just some of the stuff that we know about.

    Quote Originally Posted by ADW_1981 View Post
    I wonder if any of this has anything to do with R1b-V88, despite this particular guy not carrying that signature. I recall the recent analysis on the split between the St Maarten V88 and Sardinians was around 6500 BC. R1b-V88 has also been found in Sardinia, as well as an Iberian farmer carrying a SNP also in the same branch. The timeline fits well with the Neolithic wet Saharan period too.
    This guy *didn't* have West Eurasian, remember - he shouldn't have a West Eurasian haplogroup.

    The mixture date in Yoruba was put much earlier (like 9000 years ago I think) by ALDER. The authors of this study say it is just off due to the large uncertainty in the estimate, which could be true. But it is also possible that Yoruba got their West Eurasian through a different and earlier route - R1b-V88 carrying people across North Africa, while the East African would be mostly J (and some T etc) carrying people from Asia. That would make sense with the Green Sahara and R1b-V88 split dates you are talking about.

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  12. #17
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    Glad to see we're finally getting reliable ancient data from Africa, this could have important implications from a linguistic standpoint... More is needed though.
    מכורותיך ומולדותיך מארץ הכנעני אביך האמורי ואמך חתית
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    ᾽Άλλο δέ τοι ἐρέω, σὺ δ᾽ ἐνὶ φρεσὶ βάλλεο σῇσιν:
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    Was hoping to start a thread on this but you beat me to it... Good work, Passa.

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    Don't worry awale you got my thanks regardless .

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    I see the the guys in UCD (University College Dublin) down the road are involved in this, at least some knowledge in aDNA been built up here in Ireland. It looks like they used same methodology revolving around the Petrous bone in the inner ear. Hopefully now we'll start to see a flood of ancient DNA results show up from all over the place:

    Optimal Ancient DNA Yields from the Inner Ear Part of the Human Petrous Bone
    http://journals.plos.org/plosone/art...l.pone.0129102
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