Posts tagged genealogical dna
Genealogical DNA tests can shed light on the origins of your family tree, but how exactly does it work?
A genealogical DNA test assesses a person’s genetic code at specific locations. Results give information about personal ancestry and the origins of your family tree. Generally, these tests compare the results of an individual to others from the same lineage or to current and historic ethnic groups. Using science and technology it is now possible to learn quite a bit about your own origins and ancestry.
Human beings have about 99.9 percent of the same sequence of DNA in common. Roughly 0.1 percent of that sequence is different among different groups of human beings. And regional groups of people usually share several of the same genetic markers. When your own DNA is compared to the DNA sequences of others in a database it is possible to get an idea of where your ancestors came from.
To learn more about this amazing process, visit http://people.howstuffworks.com/culture-traditions/genealogy/use-dna-testing-genealogy-research.htm
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