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Determine whether two individuals are full siblings, half siblings, or not biologically related.
A Siblingship DNA Test determines the likelihood that two individuals share one or both biological parents. The test can distinguish between full siblings (sharing both parents), half siblings (sharing one parent), or unrelated individuals. It is commonly used in inheritance disputes, immigration cases, and for personal confirmation of family relationships.
This test is for individuals who need to confirm whether they are full siblings, half siblings, or unrelated. It is often used when a parent is unavailable for direct testing, or in legal matters involving inheritance and benefits.
Our mobile collector meets you at a scheduled appointment and collects painless cheek swabs from both alleged siblings. Including a known parent's sample increases accuracy. The visit takes about 15 minutes. Results are available in 3–7 business days.
Probability results vary based on family members participating. Including one or both parents' samples significantly improves the conclusiveness of the results.
Establish legal fatherhood with a court-admissible, chain-of-custody paternity test yielding 99.99%+ probability of paternity.
Get the same 99.99%+ accuracy for personal knowledge — without the legal chain-of-custody requirements.
Establish biological relationships through grandparents when a parent is unavailable or deceased.