Enlarge this image When women get a blood test during pregnancy that looks at free-floating DNA, they expect it to tell about…
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DNA testing
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Sign up for the CommonHealth newsletter to receive a weekly digest of WBUR’s best health, medicine and science coverage. Enlarge this image…
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Enlarge this image DNA isolated from a small sample of saliva or blood can yield information, fairly inexpensively, about a person’s relative…
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Enlarge this image As mother and daughter, Carmen and Gisele Grayson thought their DNA ancestry tests would be very similar. Boy were…
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Enlarge this image The Boston-based company Orig3n has been offering free genetic testing at pro sports games. Douglas Levy for NPR hide…