DNA Facebook groups are the epicenter for interactive discussions about DNA testing.
If you have a specific question, posting in the appropriate group will almost always yield an answer.
Furthermore, just following the discussions can advance your knowledge of genetic genealogy methods and tools.
Likewise, these groups are a place where more advanced students of DNA testing can give back to the larger community by sharing tips and answering questions.
This page provides links to some useful DNA Facebook groups organized by category.
These are broadly focused groups for discussions on any genetic genealogy topic. The first one is the place to start for those just getting started with DNA testing.
Some groups have chosen to focus specifically on the testing of autosomal DNA, Y-DNA, or mitochondrial DNA. See my page on DNA Testing Types to learn more about the differences.
For a comparative overview, see my Testing Companies page.
For company-specific DNA Facebook groups see the following.
The major DNA tests are also used for Ethnicity Testing. The following DNA Facebook groups focus on the use of genetic genealogy within a specific ethnic group.
Many exceedingly clever people have created online tools that make it easier to apply DNA test results to genealogy. I cover some of the major one on my DNA Testing Tools page.
If you use any of these tools, there is DNA Facebook group where you can get help.
Since genetic genealogy is such a commonly used tool in genealogy today, some of the genealogy groups on Facebook will occasionally get into discussions about DNA testing. Here are examples.
As an adoptee myself, I have a personal, longtime interest in adoptees searching for birth families. See my Finding Lost Family page for general information on that subject.
As for Facebook groups focused on adoption subjects, I have chosen to include them in my Adoptee Resources page instead of on this page.