Sibling DNA Test
A sibling DNA test determines whether two people share one or both biological parents. From $199.
Quick answer
Sibling testing establishes full-sibling, half-sibling, or unrelated relationships when direct paternity testing isn't possible.
Why it matters
Sibling testing establishes full-sibling, half-sibling, or unrelated relationships when direct paternity testing isn't possible.
FAQ
How accurate?
Sibling testing gives a probability index rather than a definitive inclusion; including the mother strengthens conclusions.
Ready for a clear answer?
AABB-accredited lab. All fees included. Results in 1–2 business days.