Author: Eryk Jan Grzeszkowiak
I am a genetic genealogist and a PhD candidate at the Univeristy of Edinburgh (Usher Institute). For more information about me click here.

Should I test siblings’ DNA?

Do siblings have the same DNA? Is it really meaningful, genealogically speaking, to test their DNA if you have already tested yours? We all know it – we inherit 50% of our autosomal DNA from our father and another 50% from our mother. However, we cannot…

Gene Gest genetic genealogy

Gene Gest Launch

I first started blogging about genetic genealogy over two years ago (in Polish). I am really happy that as the result many readers of my first blog felt encouraged to begin their own adventure with genetic genealogy – a branch of genealogy which has become popular…