Updated on 19 October, 2021
The DNA or the genetic material is blueprint of each and every living thing. It plays a significant role in every living thing's ability to reproduce. However, for certain diseases and conditions, there is a genetic abnormality that prevents it from performing its normal function. Under such circumstances, the affected individual either becomes deformed or develops serious illnesses. These situations when the genetic material is missing render the individual unable to reproduce and makes him or her susceptible to many life threatening diseases.
The missing genetic material can be identified by using a DNA testing kit. The kit contains special probes that are designed to specifically locate the genetic anomalies. The DNA samples are then submitted to the lab for analysis and evaluation. Once results are out, the individual can get the treatment he or she needs to keep him or her healthy. Some DNA tests look closely at the Y chromosome while others look at the mitochondrial DNA (mitochondrial DNA) or the origin of the DNA.
There are different types of DNA tests available today. There are several accredited laboratories that offer DNA testing services. A DNA test for ancestry testing enables testing of an individual's maternal, paternal, and siblings' DNA. The results can then be compared with the data of other individuals. For instance, a DNA test for African-American individuals can aid in determining if the person is belongs to a specific ethnic group. Similarly, there are DNA tests that can help identify an individual's European background.
Most DNA testing companies perform dna tests for both legal and personal purposes. Legal reasons for which the samples are tested may vary from divorce proceedings to determining if a child is the product of a relationship that should not be acknowledged. For example, if one parent wants to have a child out of wedlock, the DNA test will prove that the other parent is not the father. This also helps in maintaining the confidentiality of relationships and helps parents have the assurance that their children are really theirs. A DNA test for ancestry may help prove whether an ethnic group is genetically predisposed to certain diseases or whether the members of that group descend from a common ancestor.
Personal reasons like helping you trace your family tree or locating missing relatives can be achieved with the help of dna tests. For example, most dna samples are collected from saliva samples. Samples from the mouth are easily collected since the saliva contains glucose, which is a type of sugar commonly found in the body. Using the glucose as the DNA sample source, the genetic data can be extracted and compared to the samples of the family members.
A DNA Kit for testing paternity can also be used for ethnic genetic research. This kit contains a swab collection tray that allows the user to collect blood sample from the cheek. The DNA test results can be compared between two individuals to determine whether they share the same ethnic genetic heritage. This type of test is more accurate than other ancestry tests like surname analysis.
On the other hand, the most popular DNA testing methods today are molecular paternity testing, whole genome sequencing and ancestry specific tests. Molecular paternity testing is the most reliable method to determine the relationship between two individuals. Whole genome sequencing is also another popular option, it involves assembling the entire genetic material of an individual organism so that the characteristic features of that organism can be determined. Lastly, ancestry testing uses genetic material from many different sources to determine whether the source is truly from one individual.
Most of the DNA testing kits available in the market can be directly purchased from online stores or through mail order. Kits for DNA analysis can be shipped to the customer directly from the suppliers. Before ordering any kit, it is advisable to read the instructions carefully. For example, some homedna testing kits for the analysis of DNA ask the buyer to mail or pick up the DNA test samples. Many websites sell DNA testing kits at a reasonable price. These kits provide quick and easy results in addition to providing detailed information about the carrier of the sample.