paternitytest
A paternitytest, or paternity test, is a genetic test used to determine whether a man is the biological father of a specific child. The test compares DNA profiles from the child and the alleged father, and often the mother, to assess inherited genetic markers. The most common approach analyzes autosomal short tandem repeat (STR) markers across the genome. Laboratories typically test 15 to 20 loci to produce a statistical estimate of paternity.
Results are reported as a probability of paternity, often accompanied by a paternity index or a combined
Samples are usually collected from cheek swabs or saliva. In legal contexts, chain-of-custody procedures ensure samples
Uses include resolving questions of paternity for child support, inheritance, immigration, or personal knowledge. Limitations include