Hiring a DNA Testing Company: Difference between revisions

Autosomal DNA is the DNA found in the 22 pairs of nuclear chromosomes. They are shuffled at each generation and only half of it is passed to our offspring. It does not follow a clear and straight path of inheritance as the Ycs and mtDNA described above. However, current testing provides a survey of one million or more sites on a person nuclear genome. This information is helpful in identifying recent cousins within the last five generations, or the ethnic origins of our family tree. Companies like [http://23andme.com/ 23andMe], [http://www.familytreedna.com/family-finder-compare.aspx Family Tree DNA], and [http://dna.ancestry.com/ Ancestry] all offer autosomal testing for genealogical purposes. [http://shop.nationalgeographic.com/ngs/browse/productDetail.jsp?productId=2001246&gsk The Genographic Project] recently launched an autosomal test that offers insights into our deep ancestry. These tests offer a lot of information about our DNA and they may be difficult to understand. Each company offering such tests has numerous tutorials and aids on their website to assist with the interpretation of such results. Additionally, [https://www.23andme.com/ 23andMe] offers information about medical predispositions and traits.