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→Genetics: POV : not found in source, Please see Carlhoff et al. 2021 Wallacea genome source. They are genetic isolate. |
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[[File:PCA calculated on present-day individuals from eastern Eurasia and Near Oceania.png|thumb|PCA calculated on present-day and ancient individuals from eastern Eurasia and Oceania. PC1 (23,8%) distinguish East-Eurasians and Australo-Melanesians, while PC2 (6,3%) differentiates East-Eurasians along a North to South cline.]]
[[File:Eastern non-Africans.png|thumb|Genetic population tree of "eastern non-African" populations.]]
Genetically, the Onge, as well as other Andamanese people, are distantly related to [[East Asian people]]. The Andamanese Onge show the highest affinity towards some Southeast Asian [[Negrito]] ethnic groups, such as the [[Aeta people]], but also ancient remains of [[Hoabinhian]]s, which are all characterized by Basal-East Asian ancestry. It was found that Andamanese (Onge) split from the common ancestor of modern day East Asians between 50,000BC to 25,000BC
[[File:Population genome tree (SAsia or AASI).png|thumb|Genetic population tree of Eurasian populations.]]
A study by Reich et al. (2009) found that while the Onge are distantly related to modern Indian people, they have none of the admixture from [[Neolithic]] Iranian farmers or [[Yamnaya culture|steppe pastoralists]] which is widespread on the mainland. From this, they conclude that the Onge are solely descended from one of the ancient populations which contributed to the genetics of modern Indians.<ref name="Reich">{{cite journal|last=Reich|first=David|author2=Kumarasamy Thangaraj |author3=Nick Patterson |author4=Alkes L. Price |author5=Lalji Singh |title=Reconstructing Indian Population History|journal=Nature|date=24 September 2009|volume=461|issue=7263|pages=489–494|doi=10.1038/nature08365|pmid=19779445|pmc=2842210|bibcode=2009Natur.461..489R}}</ref> According to Chaubey and Endicott (2013), overall, the Andamanese are more closely related to Southeast Asians and East Asians than they are to present-day South Asians.<ref>{{Cite journal|last1=Endicott|first1=Phillip|last2=Chaubey|first2=Gyaneshwer|date=June 2013|title=The Andaman Islanders in a Regional Genetic Context: Reexamining the Evidence for an Early Peopling of the Archipelago from South Asia|journal=Human Biology|volume=85|issue=1/3|pages=153–173|doi=10.3378/027.085.0307|pmid=24297224|s2cid=7774927|issn=0018-7143|url=https://digitalcommons.wayne.edu/humbiol/vol85/iss1/7}}</ref> according to Yelmen et al. 2019, certain South Indian tribal groups are a better proxy for Ancient Indigenous South Asian (AASI) ancestry than the Andamanese Onge are.<ref>{{Cite journal|last1=Yelmen|first1=Burak|last2=Mondal|first2=Mayukh|last3=Marnetto|first3=Davide|last4=Pathak|first4=Ajai K|last5=Montinaro|first5=Francesco|last6=Gallego Romero|first6=Irene|last7=Kivisild|first7=Toomas|last8=Metspalu|first8=Mait|last9=Pagani|first9=Luca|date=August 2019|title=Ancestry-Specific Analyses Reveal Differential Demographic Histories and Opposite Selective Pressures in Modern South Asian Populations|journal=Molecular Biology and Evolution|volume=36|issue=8|pages=1628–1642|doi=10.1093/molbev/msz037|issn=0737-4038|pmc=6657728|pmid=30952160}}</ref>
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