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"Hey, I had a couple of questions," says Rich Crandall as he calls his biological mother, whom he met after taking a DNA test. Mark Henle / azcentral.com

The results of the DNA tests can help you complete some of the branches of your family tree. (Photo: Getty Images)

PHOENIX – Trace your family tree? Here are some tips from Arizona genealogist Phyllis Lewellen, who has been working on her family history for approximately 30 years. The results of DNA tests can help you complete some of the branches of your family tree.

Question: Does my DNA test tell me which country my ancestors came from?

Answer: No, the DNA goes back to geographical areas, not to specific countries or states. For example, you can link DNA to Eastern Europe or Scandinavia, but it can not tell you if your ancestors were born in Germany, or Arkansas, for that matter. But the records can help identify those places.

Q: What else will the ancestry test show me?

A: You will get a list of relatives who have tried with that same company and a general estimate of how you are related (as a first or second cousin, a distant cousin). These lists can be long.

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Q: Once I do a DNA test, can everyone see my results and any Other information on the company's website?

To: You can mark your private or public information. A public setting would show your ethnic information, the family tree you build and your contact information. People can not see your personal information unless you give them permission.

Q: What does the DNA testing company do with my information?

A: All companies say they keep their unprocessed DNA data safe. Read the company's policy before testing to make sure you are comfortable with it.

Q: Which of the three major test companies is the best: Ancestry.com, 23AndMe.com or FamilyTreeDNA.com? [

A: They all give you ethnic breakdowns, but their methodologies vary , so you can get different results from different companies.

Each offers different complementary tests, such as a health report.

The basic test kits are affordable, well under $ 100. Many companies are offering deals during the holidays. Some go for as little as $ 49.

Q: What happens if my relatives use a different DNA testing site than the one I used? If I want to find them, do I have to do all three?

A: GEDmatch.com is a free website where people can upload their DNA test results at no cost. It will match the results of the major test companies, which means that people do not have to do all three tests to launch the broader search network.

Q: What happens if I find a genetic match with someone I've never heard of? What is the best way to approach them?

To: Go directly to that person. If you are an adopted person and you approach, for example, the sister of your biological mother, you may not have any idea of ​​what happened with an adoption. He does not want to provoke discord in a family he is discovering.

Keep your neutral overture for the matched person, such as "My DNA test shows that we are related". I'm trying to figure out how "Do not bombard them with a surprise announcement."

Q: Why do I need records if the DNA test gives me names?

R: DNA only makes it far away; try the connections.

For example, the Hispanic heritage often appears as Native American, but a paper document, such as birth certificates or census records, can clarify that.

Genealogical resources abound online (a funny one is FindAGrave.com) but do not overlook family files and documents, such as recruiting registration cards, city directories and birth certificates.

The "genealogical test" of an ancestor is rapidly becoming a combination document research supported by DNA confirmation.

Q: Anything else you need to know about Ancestry.com, 23AndMe.com or FamilyTreeDNA.com

To: I did not In myths, like DNA tests, they do not work for women, since we all get more DNA from our fathers than mothers. That's silly.

Get ready for the ups and downs. Everyone has the equivalent of a horse thief in the family.

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