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Is the cotton buccal swab just as accurate as a blood test?

April 26, 2017accurate Buccal cotton swab

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Is the cotton buccal swab just as accurate as a blood test?

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Yes, the testing is just as accurate. The DNA in a persons blood sample is the same as the DNA in a persons skin cells that are collected from inside the mouth. This sample is obtained by use of a soft cotton swab that is rubbed on the inside of the mouth (a buccal swab).