Order Test Zygosity Testing Fees FAQs Customer Login Contact Us About Us Our customers say... "Thank you for such speedy results. I'm very grateful that you offer this service at a reasonable price. I was given your company's name by about 5 different people on a chat board through iVillage.com. I will definitely recommend your company to other people who may ask." -Kathy (Montgomery, AL) more...			November 19, 2008 Affordable, accurate DNA zygosity testing for twins and triplets. Sometimes it is unclear whether same-sex twins or triplets are genetically identical or fraternal. A bloodless zygosity test offers conclusive evidence. DNA is easily obtained from cheek swabs and returned to our lab for analysis. Click here to see the benefits that Proactive Genetics can offer to you and your twins or triplets.         If you find the technical terminology of genetics confusing, check out our FAQs and glossary to help you to answer your questions about zygosity testing.   Current customers can check the status of their order here. Estimated date of results delivery is available, along with confirmation that we have received your DNA samples.
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