Genetic Testing Uses Side Effects Procedure Results
Purpose of Test Your healthcare provider may order a genetic test for any number of reasons related to diagnosis, prevention, and treatment. Genetic testing can also be used in legal investigations. There are even direct-to-consumer tests able to trace your ancestry. How Genetic Tests Work Nearly every cell in your body contains DNA, genes, and chromosomes. Each serves a specific and interrelated function: DNA (deoxyribonucleic acid) is a double-stranded molecule that contains all the genetic information about you as an individual....