Uncovering Ancestry: What is a Genealogist and a DNA Expert? | Finding Your Roots

In this episode of Finding Your Roots, we learn that DNA experts and genealogists help to uncover the family trees of Glenn Close and John Waters. What is a genealogist and a DNA expert? How are they able to uncover someone’s ancestry?

This lesson was created by the National Science Teaching Association and adapted for Finding Your Roots with support from WETA.