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2. Genealogical DNA test - Wikipedia

   en.wikipedia.org/wiki/Genealogical_DNA_test

   A genealogical DNA test is a DNA-based genetic test used in genetic genealogy that looks at specific locations of a person's genome in order to find or verify ancestral genealogical relationships, or (with lower reliability) to estimate the ethnic mixture of an individual. Since different testing companies use different ethnic reference groups ...

3. Human mitochondrial DNA haplogroup - Wikipedia

   en.wikipedia.org/wiki/Human_mitochondrial_DNA_ha...

   Contemporary human mtDNA haplogroup distribution, based on analysis of 2,054 individuals from 26 populations. [1] (a) Pie charts on the map.(b) Counts of haplogroups in table format.

4. Haplogroup X (mtDNA) - Wikipedia

   en.wikipedia.org/wiki/Haplogroup_X_(mtDNA)

   Haplogroup X is a human mitochondrial DNA (mtDNA) haplogroup. It is found in North America, Europe, Western Asia, North Africa, and the Horn of Africa. A mtDNA-based map of major human migrations. Haplogroup X diverged from haplogroup N roughly 30,000 years ago (just prior to or during the Last Glacial Maximum).

5. FamilyTreeDNA - Wikipedia

   en.wikipedia.org/wiki/FamilyTreeDNA

   In 2006, FamilyTreeDNA bought out the assets of DNA-Fingerprint, which was a German paternity testing company that offered à la carte testing to the genetic genealogy testing community. With this buyout, Thomas and Astrid Krahn, who had owned DNA-Fingerprint, moved to Houston, Texas, and helped open the Genomics Research Center. [citation needed]

6. Haplogroup J (mtDNA) - Wikipedia

   en.wikipedia.org/wiki/Haplogroup_J_(mtDNA)

   Haplogroup J is a human mitochondrial DNA (mtDNA) haplogroup. The clade derives from the haplogroup JT , which also gave rise to haplogroup T . Within the field of medical genetics , certain polymorphisms specific to haplogroup J have been associated with Leber's hereditary optic neuropathy .

7. Human mitochondrial genetics - Wikipedia

   en.wikipedia.org/wiki/Human_mitochondrial_genetics

   Many researchers believe that mtDNA is better suited to identification of older skeletal remains than nuclear DNA because the greater number of copies of mtDNA per cell increases the chance of obtaining a useful sample, and because a match with a living relative is possible even if numerous maternal generations separate the two.