Yes. The saliva test has the same diagnostic accuracy as a blood draw for measuring CAG repeats in the HD gene. The science behind both methods is identical — saliva simply offers a more convenient, less invasive way to collect the DNA sample.
Yes. The saliva test has the same diagnostic accuracy as a blood draw for measuring CAG repeats in the HD gene. The science behind both methods is identical — saliva simply offers a more convenient, less invasive way to collect the DNA sample.