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Cross Country Checkup

With at home DNA testing, how is our genetic information shaping who we are?

On the surface, it's a small trade-off. You take a simple test in the comfort of your own home and your ancestral background is thrown wide open to you. But who knows the implications of rummaging through that genetic closet.

Millions have handed over saliva samples for a genetic look into their history

CBC Radio ·
How much would you want to know about your ancestry and health? (vchal/Shutterstock)

Millions of people are trading their DNA in return for information on their heritage and health.

On the surface, it's a small trade-off. You take a simple test in the comfort of your own home and your ancestral background is thrown wide open to you. But who knows the implications of rummaging through that genetic closet?

While DNA companies can sometimes surprise us with nuggets from our past, they can also open a medical can of worms.

Our question this week: How is our genetic information shaping who we are?