Testing for DNA is one of the most up-to-date methods used to map genetic irregularities as well as inherited diseases. They can be done at various stages in one’s life. For instance, doctors can offer prenatal screening, such as chorionic villus sampling, for couples who have an increased chance of having a child with Down syndrome, a genetic disorder.
DNA testing is also performed a few minutes following delivery, specifically through the universal Newborn Screening, which determines if newborns have gene irregularities which could adversely impact their growth, development and health. Through early detection, conditions like phenylketonuria can be managed to avoid debilitating complications.
Teens and young adults can have pre-symptomatic test if they have a family history of a genetic disease which commonly only become noticeable later on in life, as in the case of Huntington’s chorea. By going through such test, they can make informed choices regarding their careers and relationships. Likewise, DNA testing can be done to screen carriers and to confirm diagnosis of a person already presenting early symptoms of a genetic disorder.
Also, DNA testing is the most advanced and accurate technology to prove that individuals have a biological parent to child relationship. Paternity and maternity tests can prove relatedness with a high level of accuracy since a child’s DNA is derived from the genetic material of both parents in approximately equal amounts. In addition to that, DNA tests also make it possible for two or more individuals to find out they share common ancestors.
Testing for DNA has become a preferred approach to establishing lineage as it is more scientific, conclusive, and can be done with relative ease as opposed to searching for civil records. With numerous at-home genetic test kits being accessible to the general public, DNA testing can now be done safely and effortlessly by anyone.
This would usually entail collecting a cheek swab at home and mailing the sample back to the laboratory, or visiting an affiliated clinic to have blood drawn. Still, one reason why people are reluctant to submit themselves for genetic testing is the cost. At present, prices for genetic tests can range from three hundred to more than one thousand US dollars.
