What are its specific uses?

What are its specific uses?

Alastair Greenshields (Principal) gives expert video advice on: What is gentic genealogy?; How does DNA help when trying to trace your family history?; Who invented it? and more...

It's specific uses are that you can trace a family history, so you can tell if people are related or not. Also, you can use it to look further back, and go deep into family history. So you can look at the direct paternal line and also the direct maternal line. From me to my mother to her mother. So, there are ultimately three uses: Family history, looking at your direct paternal line from a long way back and, do the same with the maternal line by going a long way back as well.