Q. What does the genetic testing test for?
Doctor Answer is medically reviewed by SecondMedic medical review team.
Genetic testing can be conducted to assess a wide range of genetic information, including:
Single Gene Disorders: Genetic tests can identify mutations or alterations in specific genes associated with single gene disorders. These are conditions caused by changes in a single gene, such as cystic fibrosis, Huntington's disease, and sickle cell anemia.
Carrier Status: Some genetic tests determine whether an individual carries a mutation for a particular genetic disorder, even if they don't show symptoms. This information can be crucial for family planning and reproductive decisions.
Pharmacogenetics: This type of testing examines genetic variations that affect how a person's body processes and responds to medications. It helps healthcare providers personalize medication choices and dosages for individuals.
Complex Diseases: Genetic tests can assess an individual's susceptibility to common complex diseases, such as heart disease, diabetes, Alzheimer's disease, and certain types of cancer. These tests identify genetic markers associated with increased or decreased risk.
Ancestry and Genealogy: Some genetic tests provide insights into an individual's ancestry and family history by examining specific regions of DNA associated with different geographic populations. These tests can help individuals learn about their heritage.
Genetic Profiling: Genetic profiling or whole-genome sequencing analyzes an individual's entire genetic code. It can reveal a wide range of information, including potential health risks, ancestry, and genetic traits.
Preimplantation and Prenatal Testing: Genetic tests can be performed on embryos before they are implanted during in vitro fertilization (IVF) to screen for genetic disorders. Prenatal genetic testing assesses the genetic health of a fetus during pregnancy.
Forensic Testing: Genetic testing is used in forensic science to identify individuals based on their DNA, such as in criminal investigations and paternity testing.
Identity and Parentage: DNA testing can confirm or establish relationships, such as paternity or maternity testing.
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