How many generations back does mitochondrial DNA (mtDNA) testing trace?
Mitochondrial DNA (mtDNA) testing covers both recent and distant generations. To find connections in recent times it is necessary to find and test multiple people who have suspected shared ancestry. This is done by careful examination of traditional genealogical records. Making connections with people in genealogical and historic interest groups can also be helpful. Matching on HVR1 means that you have a 50% chance of sharing a common maternal ancestor within the last fifty-two generations. That is about 1,300 years.Matching on HVR1 and HVR2 means that you have a 50% chance of sharing a common maternal ancestor within the last twenty-eight generations. That is about 700 years. Matching on the Mitochondrial DNA Full Genomic Sequence (FGS) test brings your matches into more recent times. It means that you have a 50% chance of sharing a common maternal ancestor within the last 5 generations. That is about 125 years. Mitochondrial DNA testing at Family Tree DNA also includes haplogroup tes
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