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The meaning of a DNA test

DNA testing is also known as genetic testing, is used to identify changes in DNA sequence or chromosome structure.

Genetics testing can also include measuring the results of genetic changes, such as RNA analysis as an output of gene expression, or through biochemical analysis to measure specific protein output.

In a medical setting, genetic testing can be used to diagnose or rule out suspected genetic disorders, predict risks for specific conditions, or gain information that can be used to customize medical treatments based on an individual's genetic makeup.

Genetic testing can also be used to determine biological parentage(genetic father and mother)through DNA paternity testing, or be used to broadly predict an individual's ancestry. The variety of genetic test has expanded throughout the years. It's mostly used in courts to prove the parenthood of child's custody. In the society most men use the mechanism mostly for children born outside their marriage circle.

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