A genetic test examines the Reference DNA Opens New Window (deoxyribonucleic acid) of a person's cells. Genetic testing can identify abnormal Reference genes Opens New Window, or analyze the number, arrangement, and characteristics of the Reference chromosomes Opens New Window.
The results of genetic testing depend on the type of test done. Genetic testing is used to:
- Diagnose an inherited disease.
- Provide information about how likely it is that you will develop a disease in the future.
- Determine whether you are a carrier of the disease.
- Provide information about the severity of an inherited disease.
- Help choose appropriate treatment for some diseases, such as Reference HIV infection Opens New Window or some types of cancer.
|By:||Reference Healthwise Staff||Last Revised: Reference March 29, 2011|
|Medical Review:||Reference Sarah Marshall, MD - Family Medicine
Reference Siobhan M. Dolan, MD, MPH - Reproductive Genetics