DNA testing and how it supports family history is one of the hottest topics in the field of Family History Research. Jim Brewster, Group Project Liaison at FamilyTree DNA recently spoke at RootsTech 2016. He explained the top 10 reasons to take a DNA test. Among other things, they include contributing to breakthrough research, learning the ethnic makeup and migrations of your ancestors and discovering new cousins.
As a reminder of your biology class, you get your DNA from your parents. DNA tests analyze the chromosomes that are found in your cells. You have several types of DNA that can be used for genealogical testing, including mitochondrial, autosomal and X and Y chromosomes that determine your gender. Think of pictures of tightly wound thread-like structures (shown below).
There are three main types of DNA testing, including: autosomal DNA, YDNA and mitochondrial DNA (mtDNA).
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