Parentage verification is based on the comparison of genetic information from Offspring, Dam and Sire. The basis of parentage verification can be used in many species, including mammals, birds, fish and humans. Sample material such as hair roots, swabs, semen and several other materials can be used for parentage verification. Of each sample, a DNA-profile is established using DNA-markers. The DNA-profile from each sample is stored in a database, and can be presented as barcode. A barcode is unique for an individual.
The process of parentage verification involves a comparison of the genetic information present in an offspring with the DNA present in the possible parents. For a correct parentage, all genetic information in an Offspring must be present in the combination of Dam and Sire. In most parentage verifications, the reliability of the analysis is at least 99,5 percent. In addition to parentage verification, a DNA-profile can be used to verify the identity of an individual. The reliability of such analysis is extremely large, because all genetic information in two samples must be identical.
If the DNA profile of the parent(s) is performed in a laboratory other than VHL / CTG / VHP, it can occur the profile of the offspring can’t be compared with the profiles of the parents. The reason can be the testing of other hereditary characteristics at the other laboratory.