DNA Testing: What is it and where can I get it done?

A few correspondents have asked about what kind of DNA testing is available.  There are four basic types of DNA testing for genealogical purposes:

  1. Y-Line DNA
  2. Mitochondrial DNA
  3. Autosomal DNA
  4. The X-Chromosome

DNA Testing: Old Peter Skaggs related to Rachel Skaggs

Subject A, a correspondent descended from Old Peter Skaggs has confirmed an autosomal DNA match with Subject B, a confirmed descendant of the Rachel Skaggs who married William Calvin Lester. Subject A is a Skaggs descending from Old Peter through his son John.  Subject B descends from Rachel Skaggs through her daughter Martha and the Blankenship family of Virginia.  A third Subject C is also a descendant from Old Peter through his son John and matches both subjects A and B at the same segment of DNA.

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