Native American Haplogroup X

By Roberta Estes, copyright 2011

People are just thrilled to get their DNA results back when they discovered they have mitochondrial DNA haplogroup X. They e-mail me right away and tell me they are Native American. 

 

But then, I have to ask the difficult question. I become that relative that no one wants to claim, the one who always is bursting the bubbles with ugly old reality.

So I ask, "What is your subgroup?"

And they reply, "Huh?"

So then I explain that haplogroup X isn't just Native American. In fact, it's found in Asia, all of Europe and in the New World Native Americans. 

 

Most of the time, these exchanges are by e-mail, so I can't see their faces. It's probably just as well, all things considered.

At this point, people are firmly divided into two camps. Those are the "I want to believe" camp and the "I want to know" camp. The "I want to believe" camp is afraid to do further testing because they are concerned that deeper testing will reveal that they are NOT Native. So they never test and continue to claim Native descent. The "I want to know camp" is just the opposite, seeking the truth, and they order the full sequence test.

You can see the various subgroups on the haplogroup X project page at: 

http://www.familytreedna.com/public/x

Haplogroup X is the "mother haplogroup." X2 is found throughout Eurasia and North America. Native American subgroups of haplogroup X2 are X2a, X2a1, X2a1a, X2a1b and X2a2 and they are determined by the following mutations in the various mitochondrial DNA regions.

Haplogroup	HVR1 Region	HVR2 Region	Full Sequence
X2a	16213A	200G	8913G, 12397G, 14502C
X2a1	16093G	143A	3552C
X2a1a			6113G
X2a1b			8422G
X2a2	16254C	225C

This means that if you take the HVR1 region test and you are noted as being haplogroup X, if you don't have the 16213A mutation, then you're likely NOT Native American. Ouch, you say. How can we be sure? 

 

I encourage everyone to take the HVR2 and the full sequence level testing, especially if you think you MIGHT be Native. Why? Because we're still learning and I'd hate for anyone to determine they are NOT Native based on the 16213A mutation alone. There are such things as back mutations, and if you do have the HVR2 and full sequence mutations, then you may have experienced a back mutation or are maybe a haplogroup previously not found. 

 

So, your determination as haplogroup X is really just the appetizer and an invitation to the entree and dessert....HVR2 and full sequence testing!!!

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