Siblingship Test
A siblingship test is a DNA test conducted to determine
if two children share one or both parents (i.e., if they are half
or full siblings). It is an indirect way to determine family relationships
when an alleged father is not available for a paternity test. Results
of a siblingship test may be used as proof in Social Security benefit
and other inheritance claims.
A siblingship test starts with the analysis of known relatives:
Sibling 1 and Sibling 2 do not share the same mother and they want to find out if they share the same biological father—in this situation, a half siblingship test is performed.
Sibling 1 and Sibling 2 share
the same biological mother but are unsure if they share
the same biological father—in this situation, a full siblingship
test is performed.
In the test, the siblings’ DNA profiles are
compared to see how much of their DNA could have come from a common
father. Participation of the mother(s) is encouraged to help exclude
the mother’s contribution to the children’s DNA. Siblingship
tests require more analysis, and they could be more
costly and take a longer time to complete without the mother’s
participation.
For a free consultation or to order a test,
please use our online contact form or call 1-800-882-8677. One of
our caring, knowledgeable case managers will review the information
you provide and guide you through the testing process.
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