A Sibling DNA test determines if two or more people have common parents. Full siblings share both parents while half-siblings share one parent.
DNA samples from both alleged siblings are necessary. The testing of the child's mother also increases the accuracy of the test. Unlike paternity testing which provides very conclusive results, the results of Siblingship testing are not always conclusive and are dependent on the genetics of the people being tested.
DNA samples are collected by a painless buccal (cheek) swab method. The child's mother is included in the test for legal purposes. Results are reported typically within 3-5 working days.
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