- Genographic
Siblings Can Have Surprisingly Different DNA Ancestry. Here's Why.
When it comes to tracing your roots through your genes, biological siblings may have less in common than many people expect.
Last fall, siblings Kat and Eddy Abraham decided the best birthday gift for their dad involved a couple vials of spit.
“He’s the historian of the family,” Kat says, so the brother and sister duo thought he’d enjoy seeing the results from a genetic ancestry test. Knowing that their father’s side of the family is Lebanese and their mom’s family is, as Kat describes her, “some variety of white Canadian,” they expected the results would show that they are both half Middle Eastern and half European.
For the most part, that’s what they found. But the siblings were at first surprised to see that their results were not entirely the same. Kat, for example, has 13 percent genetic ancestry from Italy and
