A twin zygosity test compares twins to confirm whether or not they are identical or fraternal twins.

At only $275 our legal twin zygosity DNA test includes analysis for 2 twins using your own doctor for collection. For $375.00, our legal twin DNA test comes with professional collection for 2 twins at one of our over 5,000 locations.

Collection: Only a doctor or medical professional can be the witness for your legal DNA test. If using your doctor, enter their office address in the shipping section.

If you choose professional collection at one of our clinic locations, someone will contact you to arrange an appointment for your collection.

2 Addresses: If test participants are in different cities or states, choose the option for additional shipping address or separate appointments and enter their information.

Results: Results are mailed within one week after the test is complete.  If you purchase email results, the result is emailed within 24 hours of testing completion.

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