Paternity Testing -

: Laboratories extract DNA and analyze specific regions called Short Tandem Repeats (STRs) or genetic markers.

: Specialists compare the patterns between the child and the potential father to calculate the "probability of paternity". Types of Paternity Tests paternity testing

Information for Parents on U.S. Citizenship and DNA Testing - Travel : Laboratories extract DNA and analyze specific regions

: The most common method uses a buccal (cheek) swab to collect epithelial cells. While blood samples are also accurate, swabs are preferred for being painless and easier to transport. Citizenship and DNA Testing - Travel : The

Paternity testing is a scientific process used to determine the biological relationship between a child and a potential father by comparing their genetic material . Modern DNA testing is considered the "gold standard" for its extreme accuracy, typically providing a for inclusions and 100% certainty for exclusions. How the Process Works