Methods of Genetic Testing
Genetic testing is spontaneous. Because testing has profit as well as modifications and risks, the agreement about whether to be tested is a personal and complex one. A geneticist or genetic counselor can help by providing information about the pros and cons of the test and discussing the social and emotional aspects of testing.
Genetic testing can provide info about a person's genes and chromosomes.
Before a person has a genetic test, it is considered crucial that they understand the benefits and conditions of the tests, as well as the desirable residual of the results. The results of genetic testing may bring with them the need to make important, life-changing decisions. For example, if parents find they have a high chance of passing on a genetic condition to their children, they must decide whether or not they should try for a baby. As a result, historical testing goes hand- in-hand with hereditary counseling’s, both before and after testing.
Many of the uncertainties identified with genetic testing involve with the emotional, social, or
financial importance of the test results. People may feel annoyed, depressed, nervous, or sorry
about their results. The potential troublesome impact of genetic testing has led to an increasing
awareness of a "right not to know". In some cases, historical testing creates pressure within a
family because the results can confess info about other family members in addition to the
person who is tested. The possibility of genetic inequity in employment or insurance is also
mattered. Some individuals avoid genetic testing out of anxiety it will affect their capability to
purchase insurance or find a job.
Genetic testing can provide only defined information about an inherited condition. The test often can't determine if a person will show symptoms of a disorder, how severe the symptoms will be, or whether the disorder will progress over time. Another major limitation is the loss of treatment design for many genetic disorders once they are diagnosed.
Another limitation to genetic testing for a hereditary linked cancer, is the variants of unknown clinical significance. Because the human genre has over 22,000 genes, there are 3.5 million variants in the average person's genome. These variants of unknown clinical significance means there is a change in the DNA sequence, however the increase for cancer is unclear because it is unknown if the change affects the gene's function.
A genetics professional can explain in fact the benefits, risks, and limitations of a particular test. It is necessary that any person who is considering genetic testing understand and weigh these factors before making a decision.
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