| Thumbs Up |
| Received: 161 Given: 171 |
Im not sure with either, but kurd seems to also know a bit more than sein.Originally Posted by Avicenna
Anyway, how do you know he's still there?
| Thumbs Up |
| Received: 2,332 Given: 1,215 |
South Central Asians usually prefer east Asian proxies than to onge.
Afghans are about roughly 88-91% Western eurasian
| Thumbs Up |
| Received: 2,332 Given: 1,215 |
I haven't checked eurogenes site recently, so maybe he isn't their
| Thumbs Up |
| Received: 161 Given: 171 |
Im not sure if he's there either. I did check eurogenes this year and he wasnt around much. He did appear some months ago on some other forum and answered some of my questions.
Im not sure if he even is avaiable anymore.
| Thumbs Up |
| Received: 7,456 Given: 11,125 |
who are included in 'south-central' asian group?
Last edited by Thambi; 11-25-2019 at 04:54 PM.
| Thumbs Up |
| Received: 6,947 Given: 7,469 |
Proto-Indo-Iranians (Sintashta/Andronovo) were sorta like Corded Ware. Proto-Iranians were heavily mixed with BMAC.
| Thumbs Up |
| Received: 2,332 Given: 1,215 |
Pashtuns, tajiks, kalash, even sindhis apparently favoured east asians rather than onge, east of the indus past Punjab, they favoured onge more, so that included jatts, brahmins etc
| Thumbs Up |
| Received: 7,456 Given: 11,125 |
tajiks maybe but rest definitely get more onge pull than east asian pull.
| Thumbs Up |
| Received: 2,332 Given: 1,215 |
Some more pca plots
| Thumbs Up |
| Received: 2,332 Given: 1,215 |
"
All of these were done using my standard setup, which only uses ancient West Eurasian references (with the addition of Ust-Ishim and Mota), and countless contemporary references for African, Siberian/East Asian, indigenous South Asian, and Oceanian/Australasian ancestry.
There are many more reference populations, but obviously, I'm only showing the ones for which samples/populations scored percentages.
Most importantly, my aim is to test everyone under identical conditions. I really want these results to be totally comparable, in terms of the variation on which these models are built. Only in the case of South Central Asians was an additional population excluded (Vietnamese_South). I did this because Vietnamese_South really eats into the South Central Asian Jarawa/Onge/Agta percentages. For some Pashtuns, the Jarawa/Onge/Agta just disappear from the models when the Vietnamese are included.
The Vietnamese do not have this effect in South Asia, so they were included in all other models, as I had Austroasiatic and Northeastern Indian populations in mind.
Hopefully, with aDNA from outside West Eurasia, we'll arrive at even more solid models. Right now, this setup works best with people who have around 10% or more West Eurasian admixture.
Regardless, let me explain some of my choices here.
I have included Samara_Eneolithic, rather than Yamnaya, or later steppe populations like Sintashta.
Mainly, I did this because I really wanted to zero-in on that extra ANE affinity many South Central Asians seem to display, especially in comparison to the currently sampled Neolithic Iranians.
Also, Lazaridis et al. (2016) did model South Asia with Samara_Eneolithic. In fact, it was one of the steppe/Eastern European populations which allowed for the successful modelling of all 20 South Asian populations. As a result, I really wanted to see how things would look using Samara_Eneolithic.
In addition, I wanted to see distinctions, with regard to the ANE affinity seen in South Asia. Or, in other words, I wanted to see if there really are any differences in the origins of the ANE affinities often seen in South Asia. To that end, I also included two purely ANE references, MA1 and AG3.
Anyway, what I've found has been very pleasing. Peninsular South Asians prefer AG3, while northwestern South Asians + South Central Asians prefer Samara_Eneolithic.
To me, these results are reflective of differences in genetic input from ancient steppe populations (ones which had origins in Eastern Europe/the Pontic Caspian steppe). The AG3 percentages seem to reflect an ANE substratum that was local to Central Asia. Although, it seems that things get muddled for South Indian Brahmins (and some North Indians). But that was expected, as we can get close to perfection, but we can’t fully attain it.
Be that as it may, the results themselves are obvious; there is a lot of extra ANE/EHG-related admixture in South Central Asia, approximately equal to the amounts seen in Northern Europe (and with Pamiri peoples + Chitrali Dardic people, more ANE/EHG-related admixture than what is seen in Northern Europe).
As a reminder, Samara_Eneolithic is far more EHG-shifted compared to Yamnaya (and Yamnaya itself is around 50% EHG-related).
To represent true ASI (and not some hybrid component, one which is usually mixed between Andaman-related and Neolithic Iranian-related ancestries), I have used the Jarawa (a population from the Andaman Islands, they should be genetically identical to the Onge) and the Agta (a "Negrito" population from the Philippines).
I've found that populations from Punjab and beyond prefer the Jarawa, while people west of the Indus river (and from Central Asia) prefer the Agta.
This isn't surprising, as the Agta are 30%-40% Southeast Asian (and 40% Andaman-related, with an additional 10% of Australian/Papuan-related ancestry), and South Central Asians (Kalash, Pashtuns, and even Sindhis) prefer East Asians to Onge when it comes to d-stat comparisons (a clear bias towards Dai versus Onge, in some d-stats David ran for us), so they'll naturally prefer the Agta as an ASI reference."
There are currently 1 users browsing this thread. (0 members and 1 guests)
Posting Permissions
Reply With Quote
Bookmarks