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Twin zygosity DNA testing compares the DNA profiles of twins to determine whether they are identical or fraternal twins.
Our twin zygosity testing is performed in our AABB accredited laboratory using the most advanced state of the art technology to produce the most conclusive and accurate results possible.
Fast Shipping: Orders received and processed before 12:00 PM EST Monday-Friday ship the same day. Orders received after 12:00 EST M-F or on weekends, ship the following business day.
2 Addresses: If test participants are in different cities or states, choose the option for additional shipping addresses and enter their shipping information.
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New York Residents: Due to New York State Department of Health regulations, we cannot offer home testing services to New York residents. Please call 1-877-786-9543 for assistance.
Non-Legal Twin Zygosity DNA Test