There are two generally accepted DNA tests used for paternity determination; PCR and RFLP.
- PCR is a more recently developed type of DNA test. Its main advantage over RFLP testing is that it is relatively fast- a PCR test typically takes from 3 to 9 days to complete. PCR testing is most frequently used with cells collected from a swab of the inner cheek, referred to as a "buccal swab".
- RFLP is an older DNA analysis technique that has been in use for a number of years. The main advantage of RFLP is accuracy- RFLP testing of four or more DNA locations will usually produce a much higher probability of paternity, and will be more reliable.
For more information, read our article on paternity testing.
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