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Encyclopedia of mtDNA Origins

  • H6a1b2

    Haplogroup H6a1b2 is a branch on the maternal tree of human kind. Its age is between 2,600 and 7,000 years (Behar et al., 2012b).

    People: Places:


Explore your maternal heritage in the Encyclopedia of mtDNA Origins.


Genetic Genealogy News

Family Tree DNA – Friends & Family Sale (OK, we all know it is the Sizzling Summer Sale.)

It is time again for Family Tree DNA's mid-summer sale.  This year the sale runs from August 1st through August 31st. That gives us plenty of time to fire up our genealogy software and fire off emails and phone calls to our cousins.

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Family Tree DNA's DNA Day Sale 2017! (April 20 – 27)

Connect with relatives at sale prices during Family Tree DNA's DNA Day Sale.

Student Citizen-Science: Connecting the Jewish Future to Its Past

The Y-DNA Q-M242 Project will be partnering with Avotaynu in 2017 on several research initiatives to expand our knowledge of Jewish Heritage, Genealogy, and the branches of Haplogroup Q found in Jewish Diaspora populations.

Holiday Sale at Family Tree DNA

Family Tree DNA has announced their Holiday Sale. The message is clear. Every Monday customers will get coupons. If you like your coupon, use it. If you don't, get someone else to use it, and [...]

Recent Journal Articles

Case report: Coincidental inclusion in a 17-locus Y-STR mixture, wrongful conviction and exoneration

We report the case of a suspect (Suspect-3) who was convicted (and later exonerated) of participating in the multiple-attacker rape of two women. The forensic evidence against him was his…

mtDNA structure: the women who formed the Brazilian Northeast

Our findings are in disagreement with previous investigations that suggest African mitochondrial ancestry is the most prevalent in the Brazilian Northeast. The predominance of Amerindian lineages exemplifies the importance of indigenous women in the formation of the population, despite intense African slave entry and conflicts with European settlers.

The genetic admixture in Tibetan-Yi Corridor

We collected blood samples from 10 Tibetan and 10 Han Chinese individuals from Gansu province and genotyped about 600,000 genome-wide single nucleotide polymorphisms (SNPs).

Analysis of the R1b-DF27 haplogroup shows that a large fraction of Iberian Y-chromosome lineages originated recently in situ

Haplogroup R1b-M269 comprises most Western European Y chromosomes; of its main branches, R1b-DF27 is by far the least known, and it appears to be highly prevalent only in Iberia.

Latest Posts

Y-DNA Haplogroup Q Project Update

As I write this, I am trying to find the words to convey just what it means to do Y-DNA testing. I have brought this up in the project activity feed, but I am going to repeat it here. We are the bleeding edge of Y-Chromosome personal ancestry and population genetics...

Q-L245 SNP Pack Update

There are 113 Q-L245 SNP Packs either completed or pending. Current results are below.

Y-DNA Haplogroup Q-M242 BIG Y Update

It has been a little over three years since Family Tree DNA launched the BIG Y test and the Q-M242 project received our first results. With it, the project now has 228 people with results either complete or pending.

Q-Backbone SNP Panel Update

There are now 135 Q-Backbone project members that either have test results or have results pending. Their distribution across the three major Q branches is as follows.