Our Process
Our customers say...

"Thank you so much for your very prompt results. In our hearts we always felt the girls were identical because they shared so many recessive traits. After their birth, we were told they were fraternal based on the fact that the placenta was fused. After seven years, it's wonderful to have our suspicions confirmed. Thank you..."

-Laura (Gurnee, IL)

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Other Pages: Our Process | Benefits | Our Lab

Our lab extracts DNA from the swabs for zygosity analysis.
  1. There are several ways to order a zygosity test such as the online order form, or by mail, fax, or phone. You will receive your customized DNA swab kit in 2-5 business days by regular mail. You can check the real-time status of your order from our website at anytime.
  2. Once you receive the kit, simply follow the instructions for swabbing to gently remove cheek (buccal) cells. These cells contain adequate DNA to perform the zygosity test.
  3. Return the samples to our lab in the postage-paid bubblewrap mailer.
  4. To confirm that our lab has received your samples, you will be notified by either an e-mail message or postcard.
  5. Our lab extracts and analyzes DNA from the swabs.
  6. Within 10 business days of receiving the completed swab kits, your zygosity test results will be mailed to you in duplicate. Clients have the option of also receiving a copy of their test results via email.
Order a Twin or Triplet DNA Zygosity Test Now
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