62584d79_me_STR_markers_be_interpreted___Relationship
[Genetic Distance] 1 [Interpretation] An 11/12 match between two men who share a common surname (or variant) means they may share a common male ancestor within the genealogical time frame. To ensure that the match is authentic, you should utilize additional markers.For most closely related or same surnamed individuals, the mismatch markers are likely to be DYS439, DYS385, DYS389I, or DYS389II. [Relationship] 
Possibly Related
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FTDNA Learning Center – If two men share a surname, how should the genetic distance at 12 Y-chromosome STR markers be interpreted?
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