DNA
Twin Zygosity DNA Testing
Find out whether twins are identical or fraternal through a simple DNA comparison.
Choose your testing type
Informational $299
30-minute appointment
No payment is due online; payment is collected at your visit.
How to prepare
- Do not eat, drink, smoke, or chew gum for 30 minutes before a cheek-swab collection.
- We will confirm participants and documentation before your visit.
What to bring
- For a legal case, each adult should bring a valid government-issued photo ID.
- Bring the child's birth certificate or identification when applicable, with a parent or legal guardian present for minors.
- Informational testing generally requires less documentation than legal chain-of-custody testing.
- Bring any court, agency, or case paperwork connected with the request.
- We'll confirm exactly what you need when we schedule.
Cashless payment by card, Klarna, or Affirm. All sales are final. Reschedules are honored for up to one year.
Questions? Call or text 225-998-TEST.
Online booking coming soon
Online booking for this service is coming soon — call or text 225-998-TEST or request an appointment
