What are the symptoms? They usually begin with tingling, numbness or prickling in your toes or fingers. This numbness may spread up to your hands or feet and feel like burning, freezing, throbbing and/or shooting pain that is often worse at night. Your pain may come and go or it may be constant.
How DNA Testing Is Done. To do a DNA test, a sample of your cells is required. This sample can be from your blood, saliva, skin cells or even the inside of your cheek. Usually, DNA test samples are taken by a doctor or clinic and sent away to a specialized genetic testing lab where the DNA is separated out from your cells. For a blood test, a needle and syringe would be required to draw a sample of blood. For the saliva sample, you would spit into a tube. For the cheek swap, scraping the inside of your cheek with a large cotton swab should do the job.
The process does not take more than 7 days but depending on your DNA structure and lab quality it may take up to 10 or more days. For every DNA test you need a sample of your blood from which the DNA is extracted and analyzed.The DNA test mostly relies on the experience of the lab scientist that observes the structure closely to figure out the genes within the DNA.n the end how long does a DNA test take is a question that can never be answered correctly, you have to try your best to find the best DNA lab in your neighborhood where the blood samples are properly collected.