DNA takes root in filling out your family tree

When they run into those inevitable brick walls in search of their ancestors, more and more genealogists are turning not to census data, military logs or death notices.

They’re spitting into vials.

Genetic testing can enable researchers to identify living people with whom they share common kin and figure out where in the world distant ancestral homes were and long forgotten ethnic roots.

Read the rest of this story at sltrib.com
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