WTVP Spots

Nova - SECRETS IN OUR DNA

Preview: 12/18/2020 | 30s

Caught up by an explosion of popular interest in genealogy research, more than 12 million Americans have sent their DNA to be analyzed by companies like 23andMe and AncestryDNA, hoping to obtain hidden clues to family origins and forecasts of their future health. But what actually happens once the sample is in the hands of testing companies? What are they looking at and how accurate are they?

Aired: 12/18/20

Rating: TV-G

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WTVP Spots is a local public television program presented by WTVP.