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Category: DNA

What Is The Technology Behind Commercial DNA Tests?

What Is The Technology Behind Commercial DNA Tests?

Commercial DNA tests have become increasingly popular in recent years, with millions of people taking tests from companies like AncestryDNA and 23andMe to learn more about their ancestry and health. These tests are done scientifically, using a process called genetic sequencing, to analyse a person’s DNA and provide information about their ancestry and genetic health risks. How do you keep your Genealogy Records? Paper or Online? The process of taking a commercial DNA test begins with collecting a DNA sample….

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How Does Genetic Genealogy Help Solve Crimes?

How Does Genetic Genealogy Help Solve Crimes?

Genetic genealogy has become an increasingly important tool in solving crimes. With the advancement of DNA technology and the growth of genealogy databases, genetic genealogy is revolutionizing the way law enforcement agencies solve crimes and bring closure to victims and their families. One of the key benefits of genetic genealogy is its ability to help identify suspects who have eluded the police for years. In many cases, traditional police work has hit a dead end, but genetic genealogy has been…

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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 and find out what relationship you have based on DNA shared. How do you keep your Genealogy Records? Paper or Online? Firstly just enter in the cM shared or percentage between 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 such as Ancestry or 23andMe 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…

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DNA Shared Between Two People Checklist

DNA Shared Between Two People Checklist

Whether you are looking up the percentage DNA Shared between your 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. What’s your preferred storage method for Family Trees? 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…

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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.

With companies now offering DNA kits as standard such as Ancestry and 23andme, 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”…

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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 Test 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! What’s your preferred storage method…

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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. What’s your preferred storage method for Family Trees? DNA Tests can help in a number of ways There are three main types of DNA Tests used within Family history. The most popular of these test are…

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