Seattle, Washington Twin DNA Testing
ARCpoint Labs of Seattle, WA provides professional twin zygote DNA testing
Are they identical or fraternal?
Identical twins form from a single fertilized egg that splits into two genetically identical parts. Fraternal twins, on the other hand, originate as two separate eggs that are fertilized and implant in the uterus.

As with all DNA Testing done by ARCpoint Labs of Seattle WA, the simple buccal swab testing method is used.
Why test for DNA twin zygosity at our Seattle lab?
- Satisfy parental curiosity
- Verify sibling's eligibility as an organ/tissue donor
- Satisfy legal requirements
In addition, we also offer the following DNA Testing Services to individuals from the Tukwila and King County areas:
Contact our Seattle DNA testing lab for more information at
ARCpoint Labs provides DNA testing at our Seattle lab and in some cases we can come on-site to the individuals location in the following areas:
Seattle, Tukwila, King County, Downtown Seattle, SODO, Georgetown, West Seattle, Capitol Hill, Queen Anne, South Seattle, Magnolia, South Lake Union, Beacon Hill, Central District, First Hill, University District, Seattle Waterfront
Please contact us to see if on-site DNA testing is available in your area.










