Reasons, Procedure and Preparation For Genetic DNA Testing

Submitted on March 27, 2012

Genetic DNA test, also known as genealogical DNA test, is a test which is conducted to examine nucleotides that are present at specific locations of a person’s DNA. It is conducted for genetic genealogy purposes which is a test to determine the level of genetic relationships between humans. In short, it means that this test can help you find out not only who you belong to but also where you belong from. Ready to use DNA kits are available at pharmacies, which consist of a cheek swab to collect sample of cells from the inside of one’s mouth. These cells are used to determine DNA of the specific individual, and then the result is matched with other samples that are generally obtained from deceased people. The Y-chromosome test is one of the most common tests used for genealogical DNA determination. This test is conducted only with the male species as the Y chromosome is found only in men and can be passed on from father to son. Women who want this test conducted need to request their father, brother or any other male relative in their family. These tests can be carried out at home but the samples need to be sent to special laboratories.

Genetic DNA Testing Reasons

DNA genetic test is conducted mainly for determining genetic relationships between individuals. This could include revealing the family tree and also the history of the ethnicity of one’s forefathers. It can also be used for medical needs where a health condition that has been passed on to an individual can be determined. Even genetic problems that require special care can be identified with this test.


In order to carry out a genetic DNA test, there is no need for any specific preparation. However, you can talk to a doctor in case of queries. In case of home DNA kits, your mouth should be clean before taking the sample and, therefore, you must gargle your mouth before carrying out the test.


For a genetic DNA test, you can simply use the home DNA kit. The kit consists of a cheek swab, which is an instrument used to scrape peels of skin from the inner part of the cheek. Cell samples are then collected and sent to a laboratory for results. Results of lineage can be intricate depending on the right company with access to the right database