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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...

   The hypothetical woman at the root of all these groups (meaning just the mitochondrial DNA haplogroups) is the matrilineal most recent common ancestor (MRCA) for all currently living humans. She is commonly called Mitochondrial Eve. The rate at which mitochondrial DNA mutates is known as the mitochondrial molecular clock. It is an area of ...

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. DNA testing can help Black Americans reclaim their identity ...

   www.aol.com/news/dna-testing-help-black...

   Everyone inherits mitochondria exclusively from our mothers, so it can be used to show maternal ancestry; the DNA's Y chromosome is only present in men and only comes from fathers, so it can be ...

6. FamilyTreeDNA - Wikipedia

   en.wikipedia.org/wiki/FamilyTreeDNA

   FamilyTreeDNA offers analysis of autosomal DNA, Y-DNA, and mitochondrial DNA to individuals for genealogical purpose. With a database of more than two million records, it is the most popular company worldwide for Y-DNA and mitochondrial DNA, and the fourth most popular for autosomal DNA. In Europe, it is the most common also for autosomal DNA.

7. Mitochondrial Eve - Wikipedia

   en.wikipedia.org/wiki/Mitochondrial_Eve

   Mitochondrial DNA (mtDNA, the DNA located in mitochondria, different from the DNA in the nucleus of a cell) and Y-chromosome DNA are commonly used to trace ancestry in this manner. mtDNA is generally passed un-mixed from mothers to children of both sexes, along the maternal line, or matrilineally.