If you were to get a genetic test, what are its limitations? Genetic testing is a medical test that looks at the changes within your genes, chromosomes, and/or proteins. You're made up of 46 chromosomes in 23 pairs that you inherit from both of your parents.The reason why you might decide to have a genetic testing is because you want to know your chances of developing, or passing on, a genetic disorder.Genetic disorders are often grouped by how they run in your family and can either be dominant (which means it can be caused by only one copy of a gene) or recessive (both copies of the gene have to contain a DNA mutation).If you were to get a genetic test, what are its limitations?Dr. Mike discusses what genetic testing is, how it can be beneficial, and its limitations.