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Category: DNA Tips

How Can I Work Out What Relationship Someone Is To Me From DNA cM Shared?

How Can I Work Out What Relationship Someone Is To Me From DNA cM Shared?

Sometimes, you’ll get a match on AncestryDNA, 23andme, FTNDA or another commercial DNA test and not know who this person is, or how they fit in to your tree. Using DNA Painter you can eliminate the relationships that aren’t possible and narrow your list down to a few possibilities. Firstly just enter in the cM shared or percentage between you and the person you’ve matched with, then it should automatically highlight the possible relationships. The tool can be found here: https://dnapainter.com/tools/sharedcm/1000 You…

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Does DNA Testing Show Both Maternal and Paternal Ancestry?

Does DNA Testing Show Both Maternal and Paternal Ancestry?

Many commercial DNA tests offer up a massive wealth of information on the tester’s ancestry, however some information is sometimes misinterpreted when researching DNA tests. A lot of people seem to think that if a male takes a test they can only see their Paternal Ancestry and if a female takes a test they can only see the Maternal part. This is not necessarily true, there are three main types of DNA test. Autosomal, Y-DNA and mtDNA. Y-DNA is one…

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DNA Shared Between Two People Checklist

DNA Shared Between Two People Checklist

Whether you are looking up the percentage you share between a known relationship or have just got back your DNA results and want to know what the possible relationships are between you and your matches the checklist below will help you figure out the possibilities. Identical Twins 100% DNA Shared Parent/Child 50% DNA Shared Full Siblings 50% DNA Shared (Approx) Half Siblings 25% DNA Shared (Approx) Grandparent/Grandchild 25% DNA Shared (Approx) Aunt-Uncle/Nephew-Niece 25% DNA Shared (Approx) Double First Cousins 25% DNA Shared…

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Understanding What Is Meant By “Second Cousin Once Removed” And Similar Relationships.

Understanding What Is Meant By “Second Cousin Once Removed” And Similar Relationships.

A lot of people and myself included when they start researching don’t know the actual meaning of relationships like “Second Cousin Once Removed” or “Third Cousin Twice Removed” and only know the simple stuff like great grandfather, great great grandmother etc. A few things first, in genealogy and on most genealogy related websites the “Great Great Great Grandmother” relationship type is often abbreviated to things like “3xGGM” and “5xGGF” Meaning “Great Great Great Great Great Grandfather”. You get the point,…

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What To Do Once You Have Your DNA Test Results.

What To Do Once You Have Your DNA Test Results.

So you’ve just received your chosen DNA Tests results. Now what? A lot of people don’t realise that you can do a lot more with the raw test results than what is shown on any of the sites that test DNA. Your raw results come in the form of a file that can be easily uploaded to a number of other sites. To top it off almost all of these sites and tools are free! 1 – Promethease ($5) “Promethease…

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An Easy Guide to Commercial Genealogical DNA Tests

An Easy Guide to Commercial Genealogical DNA Tests

DNA Tests have become a staple of Genealogy in recent years and as they are getting cheaper and cheaper a lot more amateur genealogists are becoming much more interested in unlocking the secrets kept within their DNA. The main question is which one to get. DNA Tests can help in a number of ways including: Verifying research – For example if you think someone is your great grandfather but aren’t 100% sure and you match with people who have him in…

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