DNA

Discover genealogy, DNA and ancestry research

STR and SNP DNA

What is STR and SNP DNA?

The Declaration of Arbroath

DNA and the Declaration of Arbroath

This old family photograph from 1909 shows William Williams, seated left, at the wedding of his daughter Harriet

Eureka moment I found my mystery ancestor through DNA links

AncestryDNA ethnicity results

DNA Do my DNA results mean I have Italian ancestors?

Bird Tree

The 14 best websites for DNA family history research

Cheering Queen Mary In Brixton

What do DNA test results mean?

East End children, London, c1900.

How a DNA test revealed my Jewish ancestry

Blind Man's Buff

How do DNA testing companies find your distant family?

Y-DNA is passed down from father to son (Credit: Hulton-Deutsch Collection/Corbis via Getty Images)

What will a Y-DNA test tell you?

Living DNA image

What is the difference between autosomal, Y-DNA and mitochondrial DNA tests?

Cockney Sparrows

Which DNA test should I take?