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African American DNA Research Forum

mtDNA of African Americans

I found this in an article regarding forensics. It relates to questions that have come up in the forum regarding mtDNA percentages found in America.

~Chris

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Thirteen of the 18 haplogroups previously observed in African populations were observed in African-Americans and include: L1a, L1b, L1c, L2a, L2b, L2c, L3b, L3d, L3e1, L3e2, L3e3, L3e4 and L3f.

Haplogroup L2a is the most commonly observed cluster (18.8%) in the African American data set. The next most common haplogroups in the African American data set include the clusters L1c (11.0%), L1b (9.1%), L3e2 (9.0%) and L3b (8.1%).

Approximately 8% of the haplogroups observed within African Americans were common in European Caucasians or East Asians; these were H (n=32), J (n=4), K (n=5), T (n=2), U5 (n=6), U6 (n=9 also known from North Africa), A (n=12), B (n=7), C (n=4), and M (n=16), respectively. The European Caucasian and East Asian haplogroups are expected due to admixture between individuals with recent ancestry in Western Eurasia and sub-Saharan Africa.


18 Dec 2002 :: 14 Nov 2008
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