TWIN DNA TEST

Testing To Determine Identical Twins.

What is Twin DNA Zygosity Testing?

A Twin DNA Zygosity Test determines whether twins are identical (monozygotic) or fraternal (dizygotic).

How much does DNA Twin Test cost?

The Twin DNA Zygosity Test costs $299.99. Call 888-204-0583 to order your home test kit or schedule an appointment.

Twin DNA Test Kit (2 people)

DNA Test Kit Contents

  • 4-6 Sterilized cheek swabs each packet has 2 swabs per person
  • Contact Identification Form
  • Sample collection instructions
  • Prepaid overnight FedEx return shipping envelope
  • Shipping included in the cost of your test

How long will it take to receive my result?

The turnaround time for you to receive your receive results is 2 to 3 business days from the date on which the lab receives all genetic samples.

Upon the completion of your test results. A copy of your results will be sent via email and a physical copy will be sent to your home.

How the process works:

Getting started:

If you would like to order a Twin Zygosity DNA Test Kit. See the process below.

  1. Contact our office at 888-204-0583 to purchase by phone or purchase online here.
  2. Once your order your Home Kit please allow between 24 to 48 hours for your kit to ship to your home. When your kit is ready to ship. We will email you the shipping details of the Home DNA test kit going to your home.
  3. After you receive your kit. Follow the enclosed instructions, collect your samples, complete the relationship testing form. Place all of the items into your prepaid return shipping envelope and ship your genetic samples back to the lab.
  4. When the lab receives all genetic samples please allow up to 2 to 3 business days for your results to be completed.
  5. Upon the completion of your results. A copy of your results will be sent to your email and a physical will be mailed out to your home.

Please note: Due to the New York State Department of Health guidelines Home DNA Test Kits cannot be sold to New York State residents. If you require this testing option please contact our office at 888-204-0583 to schedule an appointment.

How to schedule an appointment:

The process is simple, Please contact IDTO today at 888-204-0583 and speak with one of our DNA Relationship Testing Technicians to help schedule an appointment near your home.

We have access to a network of over 2000 collection sites nationwide in a city near your home.

Are my DNA results accurate?

All DNA specimens will be processed and analyzed by our partner laboratory AABB accredited, ensuring the highest standards of accuracy and reliability in testing all DNA specimens.

Please keep in mind home DNA tests are for informational purposes only. Therefore, At-Home DNA Test results are not legally admissible. While our Home Tests are intended for informational use only and cannot be used legally, the results are tested to the same strict protocols as legal paternity tests.

Privacy

Please note that the IDTO DNA Testing Centerโ€™s partner laboratory does not share any personal or genetic information with third-party companies.

All information provided to our partner laboratory is kept secure and will only be released to third parties with the explicit consent of the participants involved or by court order. DNA samples on file are kept for 3 months on average and then destroyed.

Frequently Asked Questions

Do identical twins share 100% of their DNA?

Identical twins share the same DNA sequence from a single sperm and egg conception. Fraternal twins develop from separate sperm and egg combinations.

Gene expression differs between identical twins. Environmental factors and nutrition influence how genetic codes manifest in physical traits.

How much DNA does fraternal twins share?

Fraternal twins share approximately 50% of their genetic information, with half coming from their mother and half from their father.

Do paternity tests work with identical twins? 

Standard DNA paternity tests show matching results for both identical twins. Advanced genetic marker analysis provides possible differentiation between twin fathers. The current technology offers no guaranteed paternity confirmation for identical twin cases.

Can a Twin DNA Test determine paternity?

Twin Zygosity Testing determines only twin type status – identical or fraternal classification. Paternity determination requires a separate DNA paternity test.

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