Yearly Archives: 2021

Genetic Genealogy DTC DNA-Tests overview 2021

 in Gen by

Update May 2021 Find relatives (autosomal & X-DNA) Statistically everyone inherits at least a DNA piece from every great-great-grandparent (4th generation, 16 ancestors). Beginning with the 5th generation the genetic ancestors diminish: 8th generation 220/256 ancestors, 16th generation 1018/65536 ancestors (Source). This means usually it is possible to find all 2nd cousins trough widespread autosomal […]

A new decade of Genetic Genealogy: saturated growth and other concerns

 in Gen / mtDNA / Y-DNA  tagged Genetic Genealogy / genetic testing / history / summary by

In the last twenty years we have seen the rise of genetics as a tool for genealogists. First companies like FamilyTreeDNA (FTDNA), Sorenson Molecular Genealogy Foundation (SMGF) and Ancestry made it possible for private customers to buy DTC kits and initially get very low-res results for Y-DNA and mtDNA. The buildup of the matching databases […]