100% Accurate – Results in ONE Day

What is included: A 24 marker Identical Twin Zygosity DNA test, a Journey Genetic Testing DNA collection kit which includes USPS Priority shipping to you, detailed collection instructions, a prepaid return label for returning your DNA samples to the lab (USA addresses only for the prepaid return mailer), all lab processing fees, and results from our AABB accredited testing laboratory.

Who is included: Two individuals who want to determine if the are identical twins.  Additional individuals may be added at an additional cost as shown on the order form to determine if they are identical multiples (triplets).

How we send the DNA collection kit: USPS Priority mail. You will by emailed a tracking number from the USPS when the kit ships.

If you need to send a kit to more than one address: You have the option of sending additional testing kits to other addresses if needed. Each additional kit is $14.95 and includes USPS Priority shipping, collection materials, instructions, and a prepaid overnight return label for the samples. If you wish to send more than one kit please indicate this on the order form.

When your results will be ready: 1 business day after the lab receives all of the DNA samples.

Payment Options: We offer several ways to pay when you order a sibling DNA test. You can choose to pay with a credit, debit, or prepaid card with a VISA, MasterCard, Discover, or American Express logo. You may also pay through PayPal, and if you do not already have a PayPal account, you can set one up easily. We also financing options through Affirm. Affirm does not perform a hard credit check. Affirm offers both a Pay In 4 Payment plan, as well as offering up to a 12 month payment plan. Affirm is an independent company that we partner with, however the decision to extend financing is their decision alone.

TWIN ZYGOSITY TEST ORDER