Gowdy - Goudy Family
DNA Testing on the GOWDY Family
(Vernon L. Gowdy III, the maternal line)
mtDNA Plus Test
| I decided to have DNA testing
done on my mother's side of the family to determine if there was any
Native American background. As a child an teenager I heard stories that
suggested our Great Great Grandmother was full-blood Native American or
part Native American. I decided to have DNA testing done to
determine if this might be true.
The first DNA test I had done was from FamilyTreeDNA and was the mtDNA Plus test. Mitochondrial DNA (mtDNA) is inherited only from the mother. As a result, the study of mtDNA is basically the study of female genetic lines within human populations. Mutations, when they occur, are passed down to the children. These mutations can be associated with geographical areas and populations. Researchers have constructed ancient migration patterns based on the presence of these mutations in human populations.
The mtDNA Plus test the HVR1 and HVR2 of females and the female lineage of male, and also verifies possible Native American or African ancestry in the direct maternal line. (HVR1 and HVR2 (HyperVariable Region 1 and 2 - these are the two sections or regions of the mtDNA which are tested in the mtDNA Plus test)
The mtDNA Plus test determines your haplogroup (genetic population group), based on your differences from a standard Cambridge Reference Sequence (CRS). Haplogroups are defined by specific mutations which took place tens of thousands of years ago and have been passed down to all of today's populations. Your haplogroup identifies your deep ancestral ethnic and geographic origins of your maternal line.
Haplogroup U5b's HVR1 differences are 1st segment 1618C, 16189C,
16270T, 16311C, 16336A
DNA Print AncestryByDNA test
After taking the mtDNA Plus test above and finding out that my Haplogroup is U5b and negative for Native Amerian and African ancestry on the maternal line, I decided to take the DNA Print AncestryByDNA test. This test uses Ancestry Informative markers (AIMs) that have been characterized in a large number of well-defined population samples. This test relies on sequences throughout one's genome versus the maternal line only or the paternal line only.
Without direct genetic testing, it may be uncertain that your ancestor was 100% Native American. If you had only one such ancestor in your family this would make detection all that much more difficult. Since my family has always stated it was my Great Great Great Grandmother (Five generations back) the probability of detecting such a connection becomes more difficult. The test was done on my mother Wynona Gowdy to reduce the number of generations.
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