It can also provide you with reasonable estimates of your ancestorsвЂ™ ethnicity (the regions of the world where they lived). Because your atDNA comes from all of your ancestors, this test is useful for finding a range of ancestors and living relatives. For most people, the basic autosomal test is the clear winner, and it is the one test that every testing company offers.

With three types of tests to choose from, how do you decide which is best for you? It all depends on what you want to know. Again, it is by far the most popular test for consumers. Often, relatives located by the test are researching the same family lines as you, and you can share research with them.Д®very company mentioned in this guide offers autosomal tests. This can be especially useful if you know very little about your parents or grandparents and have a hard time locating living relatives. Every testing company uses its own reference panels.ДЇor genealogical purposes, the primary use of atDNA testing is to find relatives and common ancestry. Autosomal tests give you ethnicity results based on how your DNA compares to reference populations. Most people who do an autosomal test do so for ethnicity estimates. So atDNA tests are only useful for about 6-8 generations. The less DNA you share with a match, the harder it is to prove the relationship. The further you go back, the less DNA you have inherited from a particular ancestor. These percentages are never exact since DNA inheritance and recombination is entirely random.

One-eighth from each of your great-grandparents. That means that roughly one-fourth of your DNA comes from each of your grandparents. Remember that half your DNA comes from your father and half from your mother. These tests examine about 700,000 SNPs to determine how closely related you are to other people. This test examines single-nucleotide polymorphisms (SNPs). This is the test that gives you ethnicity estimates as well as family matches. Because it does not rely on the 23rd chromosome, atDNA tests can be done in both men and women with the same results.ДЄtDNA tests are by far the most popular for consumers. It is inherited from both your maternal and paternal ancestors. This test also matches you with distant relatives.ДЄutosomal DNA (atDNA) is that DNA that does not contribute to gender in other words, the first 22 pairs of chromosomes. This test provides an estimate of your ethnicity вЂ“ the regions of the world where your ancestors lived within the past few hundred years. Autosomal tests are the most popular and look at the DNA you inherited from every line in your family tree.

Whats the best genealogy test