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African American DNA Research Forum

Information from Family Tree DNA

When comparing the Hyper Variable Region 1 of your mtDNA, a match has
been
found between you and another person(s) in the Family Tree DNA
database.
Matches of the mtDNA have more Anthropological significance as the time
I know we are getting technical here, but I want to share this information with this forum. It is from Family Tree DNA and gives an explanation of how far they can go back with the mitochondia and Y-DNA tests. Some of the information posted on their sight is copywrited, and I cannot pass that along, but I believe it is okay to post this.

This Message was to let me know they found another of my, DNA cousins:

When comparing the Hyper Variable Region 1 of your mtDNA, a match has
been found between you and another person(s) in the Family Tree DNA
database. Matches of the mtDNA have more Anthropological significance as the time frame for a common ancestor could go beyond the Genealogical time frame. The time frame for a common ancestor could go beyond the Genealogical time frame.

Due to the slow rate of polymorphism (change) within the mitochondria,
the predicted time to the MRCA is much further back, than it is for Y-DNA matches. An exact match on Hyper Variable Region 1 means you share a common female ancestor, although only 50% of the time this common ancestor lived 52 generations or less.

On the other hand if you have a rare DNA sequence, one with many
mutations, that has only been found in a restricted geographical
population or ethnic community, you may be able to confidently contact
matches that you may find in your personal page.

I have contacted matches found on my personal page, and we found some connections. I found connections to my Lewis line from the people who contacted me in the US. I also found connections to the Lewis line from those who contacted me from England. By the time I took the test my maternal line was already well researched, and the DNA test just confirmed my results.

With my brothers test we are now looking in another direction. We had no idea that our straight male line originated in South East Asia. He went through the DNA lab at Howard University. They made the connection to Columbia South America. My brother took his results to Family Tree DNA and they expanded the testing, and that is how we got to South East Asia. My grandfather was born in South Carolina and raised by relatives after his parents died. We knew there was Native mixed in, but not that there was a pure Native line, from Columbia South America.

This quashes the theory that all of the Natives in America came across the Bering Strait. My brother believes that our male ancestor left the southern tip of Africa, and settled in the area of Australia and then migrated to Asia and the Americas. He is now taking a full panel test and I will let the board know what the results show.

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Information from Family Tree DNA

18 Dec 2002 :: 14 Nov 2008
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