Rock Hill, South Carolina Twin DNA Testing
ARCpoint Labs of Rock Hill, SC 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 Rock Hill SC, the simple buccal swab testing method is used.
Why test for DNA twin zygosity at our Rock Hill 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 Mecklenburg, Rock Hill & York areas:
Contact our Rock Hill DNA testing lab for more information at
ARCpoint Labs provides DNA testing at our Rock Hill lab and in some cases we can come on-site to the individuals location in the following areas:
Mecklenburg, Rock Hill, York, Lancaster, Matthews, Monroe, Concord, Huntersville, Mooresville, Lake Norman and Lake Wylie, Gastonia, Statesville, Clover, Gaston, Cabarrus, Union, Chester, Lancaster, Kings Mountain, Mt. Holly, Chester
Please contact us to see if on-site DNA testing is available in your area.

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- Rock Hill
(803) 619-9200 - South Charlotte
(704) 464-0352












