Paternity testing

Last updated: Sunday, 21, March, 2004

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Item Process
Specimen

10 mL blood in lithium heparin or EDTA tube; smaller volumes may suffice in neonates. Specimens should be collected from mother, child and putative father(s).

Note that special collection, transfer and storage procedures apply as there may be legal implications to the procedure. Consult pathologist.

Method

DNA polymorphism analysis of DNA derived from mother, child and putative father. See also Molecular genetics - forensic.

Application

Determination of paternity.

Interpretation

The number of band matchings in the DNA of the child and putative father are determined. The probability of paternity can be determined by reference to the frequency of these matchings in the general population. If necessary, the validity of the results will be determined by the Court.

Reference

Atchison BA and Georgalis AM. DNA Profiling. Victorian Institute of Forensic Pathology 1990.