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My Grandmother Was Italian. Why Aren't My Genes Italian?

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As mother and daughter, Carmen and Gisele Grayson thought their DNA ancestry tests would be very similar. Boy were they surprised. (Meredith Rizzo/NPR)
As mother and daughter, Carmen and Gisele Grayson thought their DNA ancestry tests would be very similar. Boy were they surprised. (Meredith Rizzo/NPR)

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