How beneficial a Genetic testing for people


Genetic testing is a kind of medical that detects variations in genes, proteins and chromosomes. The results will display whether persons have a genetic disorder, are at risk for developing one or passing it on.



Genetic tests fare used for several reasons. These include

-Diagnosing genetic diseases in unborn babies
- To know whether people carry a gene for a disease and might pass it on to their children

-Screening embryos for disease

-Testing for genetic diseases in adults before they cause symptoms

-Making a diagnosis in a person who has disease symptoms

-Figuring out the type or dose of a medicine that is best for a certain person.

Genetic tests are performed by taking samples of saliva, blood, hair, skin or tissue.

The three methods of genetic tests are molecular, chromosomal and biochemical. Molecular genetic tests (or gene tests) study single genes or short lengths of DNA to identify variations or mutations that lead to a genetic disorder.

Chromosomal genetic tests investigate whole chromosomes or long lengths of DNA to see if there are large genetic changes, such as an extra copy of a chromosome, that cause a genetic condition.

Biochemical genetic tests examine the amount or activity level of proteins; abnormalities in either can indicate changes to the DNA that result in a genetic disorder.


Advantages of Genetic Testing: Through genetic testing, doctors can diagnose diseases and provide prevention tips and multiple treatment options to patients. A negative result can give immediate relief from fear and uncertainty. Some results help persons decide about having children and can prevent real sorrow. New-born testing can catch lifelong genetic disorders early so prevention and treatment can be started instantly.

With great positive outcome of perfuming genetic testing for diagnosing, treating and preventing illness, there are some drawbacks also. Suppose, a healthy person, if genetic test gives a positive result, it does not indicate that he/she will develop a disease. On the other hand, in some situations, a negative result does not guarantee that patient will have a specific disorder.

In summarizing the facts, Genetic testing investigate person’s DNA, the chemical database that carries instructions for body's functions. Genetic testing can reveal changes (mutations) in human genes that may cause disease. It is useful to detect any disorder at early stage so that preventive measures can be taken.

Important: This article is developed through environmental information and personal view of writer. Writer is not responsible for any disagreement.

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