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9th Nov 11
Mark Sendros
Testing for DNA is one of the most up-to-date methods used to map genetic irregularities as well as inherited diseases. They are performed at different times in a person’s lifetime. 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.
Teenagers and grownups alike can also voluntarily submit themselves for pre-symptomatic genetic tests if they have a familial predisposition to a particular a hereditary condition which manifests only during middle to old age, take Huntington’s disease for instance. This enables them to make better career and family decisions. Furthermore, DNA testing may be performed as a way of screening for carriers of mutated genes or to verify if the signs and symptoms that an individual manifests are compatible with a particular hereditary condition.
Aside from being used to map genetic disorders, DNA testing is regarded as the most cutting-edge method to confirm parentage. Paternity and maternity tests are based on the fact that we all inherit half of our DNA from our father, and the remaining half of from our mother. On top of that, genealogical DNA tests also allow an individual to determine whether or not she is related to another person.
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.
Usually, these home test kits just require you to take a buccal swab and sending this to the lab. In some instances, you may need to go to the lab and have a blood sample taken. Although DNA tests have so many uses, their major turnoff is that they are prohibitive. At present, prices for genetic tests can range from three hundred to more than one thousand US dollars.
DNA testing has a lot of purposes, for one it is the most accurate test for lineage. Testing for DNA is also used to screen you for hereditary diseases. You can find more about genetic testing by clicking here.
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