Summit DNA Ireland

Summit DNA Ireland

Twin Zygosity Test 


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  • If you’re opting to use one of our Testing Centres please add ‘DNA Consultation’ product to your cart, from here you can choose which testing centre you wish to use
  • This is a Twin Zygosity DNA test and is used to determine is a set of twins are identical or fraternal twins.
  • Accurate results to 99.999%.
  • ISO 17025 accredited laboratory.
  • This test can also be split and sent to two different addresses if requested.

Sample Required:

This is a mouth swab test


Is the packaging discreet?

Yes. All our packaging comes in discreet envelopes with jus the shipping address attached, there are no company logos or any markings on the exterior of the packaging. Ensuring complete confidentiality.

Can I send my DNA kit to different locations?

We can split any DNA test you order, if you need the DNA test to be sent to two different addresses or two separate GP practices, we can facilitate this, just contact us to ensure the kit is split correctly.

What is the time frame on sending my DNA sample back?

Once your sample has been left to dry (one hour) and is carefully stored it will last for several months.

How long will it take to receive the results of a DNA test?

Results can take 5-7 working days from receipt of samples. Some tests such as Avuncular or siblingship may take slightly longer, this is case dependent.


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