...
Post A Reply
my profile
|
directory
login
|
register
|
search
|
faq
|
forum home
»
EgyptSearch Forums
»
Egyptology
»
Admixture into and within sub-Saharan Africa George BJ Busby 2016
» Post A Reply
Post A Reply
Login Name:
Password:
Message Icon:
Message:
HTML is not enabled.
UBB Code™ is enabled.
[QUOTE]Originally posted by xyyman: [QB] ??? come on! BTW the dating is all screwed up. “We do NOT have middle Eastern groups in our analysis”. Why? Because their lie will be exposed. If they want to prove Eurasian back migration why not include populations right NEXT to Africa? Lol! Typical! Europeans up to their old tricks. Sleight of hands. Get with the program people. Took me all but 30mins!! ------------------ Quotes: [b]Many West African[/b] groups show evidence of[b] admixture within the last 4 ky involving African and Eurasian sources[/b]. The Mossi from Burkina Faso have the oldest inferred date of admixture, at roughly 5000BCE. Across East Africa Niger-Congo speakers (orange) we infer admixture within the last 4 ky (and often within the last 1 ky) involving Eurasian sources on the one hand, and African sour- ces containing ancestry [b]from other Niger-Congo speaking African groups from the west[/b], on the other. 4. Gene-flow across the Sahara. Over the last 3000 years, admixture involving[b] sources contain- ing northern European ancestry is seen on the Western periphery of Africa[/b], in The Gambia and Mali. This ancestry in West Africa is likely to be the result of more gradual diffusion of DNA across the Sahara from northern Africa [b]and across the Iberian peninsular[/b], and [b]****not via ****[/b]the Mid- dle East, as in the latter scenario we would expect to see Spanish (IBS) and Italian (TSI) in the admixture sources. We do see limited southern European ancestry in West Africa (Figures 5 and 6D) in the Fulani, suggesting that some Eurasian ancestry may also have entered West Africa via North East Africa (Henn et al., 2012). 5. Several waves of Mediterranean / Middle Eastern ancestry into north-east Africa. We observe southern European gene-flow into East African Afroasiatic speakers over a more pro- longed time period over the last 3000 years, with a major wave 2000 years ago (Figures 5 and 6D). [b]We do not have Middle-Eastern groups in our analysis[/b], so the observed Italian ancestry in the minor sources of admixture – the Tuscans are the closest Eurasian group to the Middle East – is consistent with previous results using the same samples (Pagani et al., 2012; Hodgson et al., 2014a), indicating this region as a major route for the back migration of Eur- asian DNA into sub-Saharan Africa (Pagani et al., 2012; Pickrell et al., 2014). 9. Ancient Eurasian gene-flow back into Africa and shared hunter-gatherer ancestry. The f3 statistics show the general presence of [b]**ANCIENT** Eurasian and/or Khoesan ancestry[/b] (xyyman comment: This is the missing link. WHG are Khoisans) across much of sub-Saharan Africa. We tentatively interpret these results as being consistent with recent research suggesting very old (>10 kya) migrations back into Africa from Eurasia (Hodgson et al., 2014a), with the ubiquitous hunter-gatherer ancestry across the continent possibly related to the inhabitant populations present across Africa prior to these more recent movements. Future research involving ancient DNA from multiple African populations will help to further characterise these observations. ----------- [/QB][/QUOTE]
Instant Graemlins
Instant UBB Code™
What is UBB Code™?
Options
Disable Graemlins in this post.
*** Click here to review this topic. ***
Contact Us
|
EgyptSearch!
(c) 2015 EgyptSearch.com
Powered by UBB.classic™ 6.7.3