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DNA Cousin Test

The DNA Cousin Test can help you find out the likelihood that two individuals are biologically related as cousins.

  • Easy sample collection with painless mouth swabs
  • All lab fees and free shipping included
  • Quick results in 1-2 business days
  • AABB and CLIA accredited laboratory


Detailed Description

With the Genebase DNA Cousin Test, you can find out the likelihood that two individuals are first cousins with one simple test. Our easy-to-use kit includes everything you need to collect and ship your samples to the laboratory, as well as free return shipping from the laboratory. You can expect your results in 1-2 business days after your sample arrives at our accredited AABB and CLIA laboratory. Plus, you can easily track the status of your test within a secure online portal. Get the answers you need with our private DNA Cousin Test.

Technical Info

A DNA Grandparent Test can be used to determine the likelihood that 2 people are related as first cousins. This test analyzes buccal (cheek) cells taken using simple mouth swabs from each person participating in the test. These cells contain unique sets of genetic information known as deoxyribonucleic acid (DNA). The laboratory amplifies the specific regions of the DNA and compares them for patterns. Your results will provide a “Combined Kinship Index” which demonstrates how likely the tested individuals are first cousins. However unlike paternity testing between a father and child, this type of DNA analysis may not always provide a conclusive answer, so it’s best used when the alleged parents are not available to take a paternity or maternity test.


Yes, the kit can be split and the sample collection components sent to each address separately. The collection components are individually barcoded, and will be tested together once the samples arrive at the laboratory. To order a split kit, please write the following into the Order notes box of the online order form “Please split kit”. Please also indicate the name and address to send each component. For example, please state “send the Alleged Father’s portion to… (specify name and address)” and “send the Child’s portion to… (specify name and address)”.

Legal testing requires you to attend an appointment for sample collection. If you need a legal test, purchase this kit and follow the enclosed instructions to pay the difference and switch to legal testing. Legal testing is available in the US, Canada and UK.

No. The DNA cousin tests can be performed on individuals of any age, even newborns. If the patient is a minor, the legal guardian must sign the DNA cousin testing consent form.

If the mother already knows that she is the biological mother of a child, then there is no need to test her if only the alleged father is in question. A conclusive answer can be obtained without testing the mother.

All DNA test kits are stored at room temperature before and after sample collection.

DNA is collected by rubbing a brush gently inside the mouth against the cheek for 15 seconds. The collection is safe and painless.

How It Works

Step 1: Order the test kit online.
Step 2: Collect DNA sample using a painless mouth swab, and mail to the lab in the provided return envelope.
Step 3: Login to Genebase to start using this app.

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