Twin Zygosity Testing

dna test between siblings

What is A DNA Test for twins?

Twin zygosity testing is a simple DNA test that can determine whether twins are identical or fraternal.

Identical twins share the same DNA, while fraternal twins have different DNA. This test can be used to help determine paternity or maternity in twins, as well as to help resolve any legal disputes that may arise.

Frequently Asked Questions

How much will a Twin Zygosity DNA Test cost?

The cost of this testing option starts at $299.99 and up.

Where can I perform DNA Twin testing near me?

We have DNA sample collection facilities in our network in every state and in a city near you.

To schedule, an in-office appointment contact our office today at 973-609-5102

Can a twin zygosity test be used for legal reasons?

Yes. There are two options when performing a twin DNA test. One is a legal DNA test and the other option is a non-legal (peace of mind) DNA test.

How long does a Twin DNA test take?

The average turnaround time for Twin Zygosity Testing is 2 to 3 business days from the day the laboratory receives all genetic samples.

Click here to learn more about other DNA sibling testing services.

What type of samples will be used to collect my DNA samples?

Most DNA tests are collected by buccal cheek swabs. The other viable sample collection option is blood.

Secondary sample collection methods are hair, blood stains on napkins, etc. Please contact our office at 973-609-5102 for more information about these DNA sample collection options.

dna testing new jersey center

Ph# 973-609-5102


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Office Hours
  • Monday – Friday:
  • 9:00AM – 5:00PM
  • Saturday:
  • 9:00AM – 1:00PM
  • Sunday – Closed