September 2009 PMID 19779445

Reconstructing Indian population history.

David Reich, Kumarasamy Thangaraj, Nick Patterson, Alkes L Price, Lalji Singh

Mentions

205
Peak: 35 in Jul 2024
across 6 sources since Jun 2022

Extended reach

6,878,697
potential audience

Total likes

110

Video views

497

Mentions per month

Jun 2022 – Sep 2025

Where it's discussed

  • Facebook116 posts
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  • Reddit3 posts
  • YouTube2 videos

AI synopsis

What people are saying

These discussions reflect a general acceptance of the publication's findings, with several posts referencing specific studies such as Reich's 2009 paper and elaborating on concepts like ancestries and founder effects. The tone varies from informational to slightly contentious, indicating a meaningful engagement with the subject matter that could shape opinions on Indian genetic history.

AgreementModerate agreement

Most discussions acknowledge the scientific findings, especially references to Reich's work and the complex genetics of Indian populations.

InterestModerate interest

Participants show a moderate level of curiosity, citing specific studies and engaging in debates about genetic origins.

EngagementModerate engagement

Posts include detailed references, quoting authors and discussing methodologies, indicating active involvement.

ImpactModerate impact

The emphasis on genetics and historical migrations suggests that these discussions could influence understanding of Indian population history.

Abstract in brief

  • The study identifies two ancient, genetically distinct populations that form the ancestors of most Indians today: the Ancestral North Indians (ANI), who are genetically similar to Middle Easterners, Central Asians, and Europeans, and the Ancestral South Indians (ASI), who are quite different from ANI and East Asians.
  • The research shows that ANI ancestry varies across India, making up between 39-71% of the genome in most groups, especially in upper caste and Indo-European speaking populations, while some groups with only ASI ancestry may no longer exist on the mainland, except for the unique indigenous Andaman Islanders.
  • Due to strong founder effects and endogamy (marrying within the community), there are significant genetic differences between Indian groups, which could lead to a higher occurrence of recessive genetic diseases that can be identified through genetic screening.]

Top posts

Most liked on X and Bluesky
Alíén
@Alien18R · X

Reich, David, Who We Are and How We Got Here: Ancient DNA and the new science of the human past, OUP, 2018 Reconstructing Indian population history : https://t.co/tzbolXY0A4 A genetic chronology for the Indian Subcontinent points to heavily sex-biased dispersals https://t.co/Co2hIR7sJC

Jul 31, 2024 · 99 likes · 37 shares · 21,855 followers View post →
Forensic Talents INDIA
@4n6talentsIndia · X

#LaljiSingh, widely regarded as the father of #DNAfingerprinting in #India, and a former director of Hyderabad-based Centre for Cellular and Molecular Biology (#CCMB).Ref.:Reich,D. et al. Reconstructing Indian population history. Nature 461,489–494 (2009) doi:10.1038/nature08365 https://t.co/UhUiSEIyFf

Oct 17, 2022 · 4 likes · 2 shares · 66 followers View post →
InBix Adnat
@InBixAdnat2024 · X

@bhu_arch @cbm2577 @gyanc7 @ccmb_csir @ProfVasant @prashbio @Director_ISc @bhupro @AdnatSociety 3) Reconstructing Indian Population History. https://t.co/xtdUUkYIaT

Nov 10, 2024 · 2 likes · 329 followers View post →
Meme Gene
@ofreacharound · X

@EricRichards22 https://t.co/cb7cCBsd20 This is older one but decent graphs and 25 populations or so

Oct 15, 2024 · 1 like · 2,429 followers View post →
Amit Ganguli #INC
@amit_ganguli · X

@goodbroto @darab_farooqui Ummm ... I could not find that study, I DID find this: https://t.co/c6TMtiOahp The Authors work for ... I rechecked ... "Institute of Speech and Hearing" ... I am going to completely disregard that study. This is better: https://t.co/EzhaE95sAP

Feb 23, 2025 · 1 like · 869 followers View post →
Grok
@grok · X

@VisheshOff @Thili21 என் வாதத்தின் மூல ஆதாரங்கள்: David Reich et al. (2009) "Reconstructing Indian Population History" (Nature) – ANI/ASI கலவை காட்டி, தூய இனப்பிரிவினையை நிராகரிக்கிறது. Reich (2018) "Who We Are and How We Got Here". பெரியார் உருவகக் கருவியாகப் பயன்படுத்தினார், உண்மை இனவியல் அல்ல.

Jul 21, 2025 · 6,740,382 followers View post →

All mentions

Pakistani
@FactCheckAsia · X

@ibgm327 @sonofaparna there are many The Formation of Human Populations in South and Central Asia 2019 Reconstructing Indian Population History 2009 There are many reports you can search for it.

Sep 15, 2025 · 18,157 followers View post →
Ajoy Dharmavaram
@AjoyDharmavaram · X

#SaveAdivasis #AdivasiLivesMatter Their genetic roots (Ancestral South Indian component) is traceable back to early human migrations into India (c. 50,000–25,000 years ago). Reich, D. Reconstructing Indian Population History. Sankalia, H. D. (1974) et al https://t.co/dtWSzwuggJ

Aug 8, 2025 · 1,144 followers View post →
Grok
@grok · X

@VisheshOff @Thili21 என் வாதத்தின் மூல ஆதாரங்கள்: David Reich et al. (2009) "Reconstructing Indian Population History" (Nature) – ANI/ASI கலவை காட்டி, தூய இனப்பிரிவினையை நிராகரிக்கிறது. Reich (2018) "Who We Are and How We Got Here". பெரியார் உருவகக் கருவியாகப் பயன்படுத்தினார், உண்மை இனவியல் அல்ல.

Jul 21, 2025 · 6,740,382 followers View post →
Adosus
@AdosusTheGreat · X

@Conbor11 @OSheaRules @HandsomePa55050 @LovesSardine @Deeteem1 Once you are capable of reading try this, oh and take care that you don't fall off the edge of the world You’re entitled to your opinion, but not to your own facts. The science on this is quite clear.⏬⏬⏬

Jul 14, 2025 · 220 followers View post →
Moneyflower
@moneyflower14 · X

@SaalanPaari @Vickyrocky1997 @Valluvarism Reconstructing Indian Population History" by David Reich et al., published in Nature (September 2009). by this logic almost all tamil castes has "jewish dna". so called closeness is distant ancestry. https://t.co/hgZYWiVMv7

Jul 3, 2025 · 143 followers View post →
Resistance
@UntdResistance · X

@batman_brahmana @RevoltYo @CsThejas @grok Lol moron if u think sharing 1 page can prove anything i can share 100 of scientific pages in support of Dravidian model https://t.co/w6ogBhON73

May 30, 2025 · 258 followers View post →
Amit Ganguli #INC
@amit_ganguli · X

@goodbroto @darab_farooqui Ummm ... I could not find that study, I DID find this: https://t.co/c6TMtiOahp The Authors work for ... I rechecked ... "Institute of Speech and Hearing" ... I am going to completely disregard that study. This is better: https://t.co/EzhaE95sAP

Feb 23, 2025 · 1 like · 869 followers View post →
Joshua._.
@joshua17_23 · X

@beelibers @THECRITICOFTHE1 @EsGeopolitica @Gotzmann78 Otro estudio hecho por un grupo del MIT...https://t.co/alb97oJaO1

Dec 7, 2024 · 398 followers View post →
InBix Adnat
@InBixAdnat2024 · X

@bhu_arch @cbm2577 @gyanc7 @ccmb_csir @ProfVasant @prashbio @Director_ISc @bhupro @AdnatSociety 3) Reconstructing Indian Population History. https://t.co/xtdUUkYIaT

Nov 10, 2024 · 2 likes · 329 followers View post →
Meme Gene
@ofreacharound · X

@EricRichards22 https://t.co/cb7cCBsd20 This is older one but decent graphs and 25 populations or so

Oct 15, 2024 · 1 like · 2,429 followers View post →
Pasumpon Mutharamalinga Thevar Army
@pasumponarmy · X

RT @Alien18R: Reich, David, Who We Are and How We Got Here: Ancient DNA and the new science of the human past, OUP, 2018 Reconstructing In…

Aug 1, 2024 · 37 shares · 2,093 followers View post →
அகிரா
@AkiraKarachov · X

RT @Alien18R: Reich, David, Who We Are and How We Got Here: Ancient DNA and the new science of the human past, OUP, 2018 Reconstructing In…

Aug 1, 2024 · 37 shares · 1,292 followers View post →
ஞானவெட்டியான்
@gnanavettiyan · X

RT @Alien18R: Reich, David, Who We Are and How We Got Here: Ancient DNA and the new science of the human past, OUP, 2018 Reconstructing In…

Aug 1, 2024 · 37 shares · 4,614 followers View post →
Raavana_R
@Raavana_R · X

RT @Alien18R: Reich, David, Who We Are and How We Got Here: Ancient DNA and the new science of the human past, OUP, 2018 Reconstructing In…

Jul 31, 2024 · 37 shares · 133 followers View post →
T6
@T659139970 · X

RT @Alien18R: Reich, David, Who We Are and How We Got Here: Ancient DNA and the new science of the human past, OUP, 2018 Reconstructing In…

Jul 31, 2024 · 37 shares · 313 followers View post →
.
@Insomniac_911 · X

RT @Alien18R: Reich, David, Who We Are and How We Got Here: Ancient DNA and the new science of the human past, OUP, 2018 Reconstructing In…

Jul 31, 2024 · 37 shares · 1,360 followers View post →
VJKS2021 (I.N.D.I.A. 2024)
@vjks2021_VENKY · X

RT @Alien18R: Reich, David, Who We Are and How We Got Here: Ancient DNA and the new science of the human past, OUP, 2018 Reconstructing In…

Jul 31, 2024 · 37 shares · 2,077 followers View post →
Panda Dappa
@PandaDappa · X

RT @Alien18R: Reich, David, Who We Are and How We Got Here: Ancient DNA and the new science of the human past, OUP, 2018 Reconstructing In…

Jul 31, 2024 · 37 shares · 1,763 followers View post →
என்ன சொல்றது?
@arunsnewcity · X

RT @Alien18R: Reich, David, Who We Are and How We Got Here: Ancient DNA and the new science of the human past, OUP, 2018 Reconstructing In…

Jul 31, 2024 · 37 shares · 103 followers View post →
Neanderthal
@Neanderthal1980 · X

RT @Alien18R: Reich, David, Who We Are and How We Got Here: Ancient DNA and the new science of the human past, OUP, 2018 Reconstructing In…

Jul 31, 2024 · 37 shares View post →
பாலகிருஷ்ணன்
@sbk_offl · X

RT @Alien18R: Reich, David, Who We Are and How We Got Here: Ancient DNA and the new science of the human past, OUP, 2018 Reconstructing In…

Jul 31, 2024 · 37 shares · 1,551 followers View post →
Sivakumar
@iamsivak · X

RT @Alien18R: Reich, David, Who We Are and How We Got Here: Ancient DNA and the new science of the human past, OUP, 2018 Reconstructing In…

Jul 31, 2024 · 37 shares · 343 followers View post →
Perrito The Stupid Dog
@PerritoStupiDog · X

RT @Alien18R: Reich, David, Who We Are and How We Got Here: Ancient DNA and the new science of the human past, OUP, 2018 Reconstructing In…

Jul 31, 2024 · 37 shares · 253 followers View post →
Black
@name_is_san · X

RT @Alien18R: Reich, David, Who We Are and How We Got Here: Ancient DNA and the new science of the human past, OUP, 2018 Reconstructing In…

Jul 31, 2024 · 37 shares · 1,130 followers View post →
 MSKG
@MSKG2 · X

RT @Alien18R: Reich, David, Who We Are and How We Got Here: Ancient DNA and the new science of the human past, OUP, 2018 Reconstructing In…

Jul 31, 2024 · 37 shares · 381 followers View post →
திராவிடர்
@lokeshc777 · X

RT @Alien18R: Reich, David, Who We Are and How We Got Here: Ancient DNA and the new science of the human past, OUP, 2018 Reconstructing In…

Jul 31, 2024 · 37 shares · 1,014 followers View post →
Chinnaiya
@nelmuthu · X

RT @Alien18R: Reich, David, Who We Are and How We Got Here: Ancient DNA and the new science of the human past, OUP, 2018 Reconstructing In…

Jul 31, 2024 · 37 shares · 551 followers View post →
Deepz
@deepz05 · X

RT @Alien18R: Reich, David, Who We Are and How We Got Here: Ancient DNA and the new science of the human past, OUP, 2018 Reconstructing In…

Jul 31, 2024 · 37 shares · 482 followers View post →
Anarchy
@Anarchy63838827 · X

RT @Alien18R: Reich, David, Who We Are and How We Got Here: Ancient DNA and the new science of the human past, OUP, 2018 Reconstructing In…

Jul 31, 2024 · 37 shares · 632 followers View post →
·
@Ngoalinho · X

RT @Alien18R: Reich, David, Who We Are and How We Got Here: Ancient DNA and the new science of the human past, OUP, 2018 Reconstructing In…

Jul 31, 2024 · 37 shares · 395 followers View post →
Suresh Pandian
@suresh5100 · X

RT @Alien18R: Reich, David, Who We Are and How We Got Here: Ancient DNA and the new science of the human past, OUP, 2018 Reconstructing In…

Jul 31, 2024 · 37 shares · 980 followers View post →
பிரிகேடியர் வாதாபி
@pkjc1319 · X

RT @Alien18R: Reich, David, Who We Are and How We Got Here: Ancient DNA and the new science of the human past, OUP, 2018 Reconstructing In…

Jul 31, 2024 · 37 shares · 1,744 followers View post →
SMART
@smartsmart987 · X

RT @Alien18R: Reich, David, Who We Are and How We Got Here: Ancient DNA and the new science of the human past, OUP, 2018 Reconstructing In…

Jul 31, 2024 · 37 shares · 13,032 followers View post →
Vishnu45_
@Vishnu45_ · X

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Jul 31, 2024 · 37 shares · 2,466 followers View post →
பாஸ்டன் பிராமின்
@bospopcorn · X

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Jul 31, 2024 · 37 shares · 95 followers View post →
Venkatesh B(வெங்கடேஷ் பா)
@bvenkateshmsc · X

RT @Alien18R: Reich, David, Who We Are and How We Got Here: Ancient DNA and the new science of the human past, OUP, 2018 Reconstructing In…

Jul 31, 2024 · 37 shares · 1,334 followers View post →
No~One~
@DrAV1D1AN · X

RT @Alien18R: Reich, David, Who We Are and How We Got Here: Ancient DNA and the new science of the human past, OUP, 2018 Reconstructing In…

Jul 31, 2024 · 37 shares · 245 followers View post →
arun
@arun11318467 · X

RT @Alien18R: Reich, David, Who We Are and How We Got Here: Ancient DNA and the new science of the human past, OUP, 2018 Reconstructing In…

Jul 31, 2024 · 37 shares · 36 followers View post →
PMகுமார்
@PMKumar_Nellai · X

RT @Alien18R: Reich, David, Who We Are and How We Got Here: Ancient DNA and the new science of the human past, OUP, 2018 Reconstructing In…

Jul 31, 2024 · 37 shares · 2,028 followers View post →
பிரபு பி எஸ்
@PrabuPS7 · X

RT @Alien18R: Reich, David, Who We Are and How We Got Here: Ancient DNA and the new science of the human past, OUP, 2018 Reconstructing In…

Jul 31, 2024 · 37 shares · 282 followers View post →
AIR DRAVIDA TAMILNADU
@atturzakir · X

RT @Alien18R: Reich, David, Who We Are and How We Got Here: Ancient DNA and the new science of the human past, OUP, 2018 Reconstructing In…

Jul 31, 2024 · 37 shares · 719 followers View post →
Tamil
@imtamils · X

RT @Alien18R: Reich, David, Who We Are and How We Got Here: Ancient DNA and the new science of the human past, OUP, 2018 Reconstructing In…

Jul 31, 2024 · 37 shares · 728 followers View post →
கோயம்புத்தூரான்
@Coimbatoraan · X

RT @Alien18R: Reich, David, Who We Are and How We Got Here: Ancient DNA and the new science of the human past, OUP, 2018 Reconstructing In…

Jul 31, 2024 · 37 shares · 25,762 followers View post →
அகரத்தான்
@SankaranVadive1 · X

RT @Alien18R: Reich, David, Who We Are and How We Got Here: Ancient DNA and the new science of the human past, OUP, 2018 Reconstructing In…

Jul 31, 2024 · 37 shares · 69 followers View post →
செழியன்
@chezhiyan_ · X

RT @Alien18R: Reich, David, Who We Are and How We Got Here: Ancient DNA and the new science of the human past, OUP, 2018 Reconstructing In…

Jul 31, 2024 · 37 shares · 85 followers View post →
Naan
@offl_naan · X

RT @Alien18R: Reich, David, Who We Are and How We Got Here: Ancient DNA and the new science of the human past, OUP, 2018 Reconstructing In…

Jul 31, 2024 · 37 shares · 1,956 followers View post →
SeMa
@MaSe2605 · X

RT @Alien18R: Reich, David, Who We Are and How We Got Here: Ancient DNA and the new science of the human past, OUP, 2018 Reconstructing In…

Jul 31, 2024 · 37 shares · 293 followers View post →
Alíén
@Alien18R · X

Reich, David, Who We Are and How We Got Here: Ancient DNA and the new science of the human past, OUP, 2018 Reconstructing Indian population history : https://t.co/tzbolXY0A4 A genetic chronology for the Indian Subcontinent points to heavily sex-biased dispersals https://t.co/Co2hIR7sJC

Jul 31, 2024 · 99 likes · 37 shares · 21,855 followers View post →
Aṟam
@gielas3 · X

@DogfightMr @labstamil @jsaideepak No. Read Reconstructing Indian population history by David Reich in Nature website. Read right documentation not WhatsApp ones.

Jun 29, 2024 · 171 followers View post →
Bioinformatics Trends 
@BinfoTrends · X

RT @4n6talentsIndia: #LaljiSingh, widely regarded as the father of #DNAfingerprinting in #India, and a former director of Hyderabad-based C…

Oct 21, 2022 · 2 shares · 8,190 followers View post →
Bioinformatics Trends 
@BinfoTrends · X

RT @4n6talentsIndia: #LaljiSingh, widely regarded as the father of #DNAfingerprinting in #India, and a former director of Hyderabad-based C…

Oct 17, 2022 · 2 shares · 8,190 followers View post →
Forensic Talents INDIA
@4n6talentsIndia · X

#LaljiSingh, widely regarded as the father of #DNAfingerprinting in #India, and a former director of Hyderabad-based Centre for Cellular and Molecular Biology (#CCMB).Ref.:Reich,D. et al. Reconstructing Indian population history. Nature 461,489–494 (2009) doi:10.1038/nature08365 https://t.co/UhUiSEIyFf

Oct 17, 2022 · 4 likes · 2 shares · 66 followers View post →
Sarnajohar
@Sarnajohar1 · X

RT @Sarnajohar1: https://t.co/y9VlqbK31I

Jun 30, 2022 · 1 share · 119 followers View post →
Sarnajohar
@Sarnajohar1 · X

https://t.co/y9VlqbK31I

Jun 30, 2022 · 1 share · 119 followers View post →