Order Test Zygosity Testing Fees FAQs Customer Login Contact Us About Us Our customers say... "I received the results of the twin zygosity test regarding my daughters today. For 32 years, I have been operating under the assumption that they are fraternal twins. My daughter, Pamela, however has always felt deep in her heart that she and her sister are identical. This test was a birthday gift to them. I can hardly wait until this evening when I present them with your letter. I appreciate the fact that my request was handled with such professionalism. The e-mails informing me of the progress of the test were especially nice. Thank you again." -Donna (Painesville, OH) more...			May 9, 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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