How Fast Can I Get Sibling Test Results?

Once the lab has all the samples available for sibling testing, we will have the results for you in 2 business day in almost every single case. All testing is performed twice, to validate the findings. We do not charge any extra fees for this service.

How & When Will I Get My Sibling DNA Test Kit?

If your orders is placed prior 2:00 PM PST, you will be sent by Priority mail a sterile DNA collection kit (you will also receive by email a USPS tracking number) Monday through Friday to physical addresses in the USA. Orders received after 2:00 PM PST ship the following business day. USPS Priority mail is …

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Can I Do A Sibling Test Using Something Other Than A Mouth Swab?

Yes! Some commonly used items that are not a mouth swab include ear wax, hair (must have the root ball attached), mucous on a tissue, finger or toe nail clippings, and toothbrushes. You can learn more about these “non-standard” DNA samples by clicking on Alternative DNA Samples, or call us a 1-855-362-5224.

Can You Tell If We Are Half-Siblings Or Cousins?

It depends. Since half siblings share 25% of the same DNA, and first cousins share 12.5%. Depending on if a mother’s DNA is available to test as well, there may be other testing options that would give stronger results. In these situations we encourage you to talk with one of our Genetic Consultants at 1-855-362-5224, …

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Can I Use Sibling Test Results In Court?

We do offer legal sibling testing which is valid in cases for child support, parenting time, birth certificate name changes, probate, and wills, as well as many other legal circumstances. A legally admissible DNA test requires some extra steps, however the final results will be the same.

Can A Sibling Test Prove We Are Half-Siblings?

Yes, our DNA test can prove we are half siblings. In fact, DNA testing is the most scientific and accurate way to prove that two or more individuals are biologically related. Half-siblings share only one biological parent, either the mother or father.

Can You Tell Which Brother Fathered A Child With A Sibling DNA Test?

The answer is “Yes” in almost every situation. A sibling DNA test can determine which brother is the biological father of a child, if you include the DNA of the mother. Every child has genetic contributions (46 chromosomes) 23 chromosomes from the mother and 23 chromosomes from the father.

How Conclusive Are Sibling DNA Tests?

Sibling DNA test result are shown as a probability percentage indicating if the genetic profiles obtained can validate a relationship existing or not. Result that show a 91% or higher probability are considered conclusive evidence that the relationship (full or half siblings) exists, or less than a 9% probability determines that the genetic evidence does …

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