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DNA Grandparantage Tests

Grandparent testing can be useful for establishing a relationship in situations where the potential father cannot be tested. It can be used to examine the relationship between a child and a possible grandparent, although the inclusion of other close relatives in the test is always recommended.

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Grandparent DNA Testing

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Grandparentage DNA Test Results

As with all of our DNA relationship testing services, our Grandparentage DNA test results are typically available within 3-5 working days of all DNA samples being received at our UK testing laboratory. Once testing has been completed, we will send your test result securely by email.

DNA Testing Information

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Arranging Testing and DNA Sampling

You can complete your grandparent DNA test registration online or by calling our Customer Services team. Cellmark will assist with arranging appointments for DNA samples to be taken. You can use:

  1. Our dedicated nationwide mobile sampling service
  2. Your own GP
  3. A GP from the list we supply

At the sample collection appointment a mouth swab will be rubbed gently and painlessly on the inside of the mouth to collect a sample of cheek cells.

Sampling Information

Taking a DNA testing Sample
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UK Accredited Laboratory

As a member of the Ministry of Justice's list of accredited bodies, Cellmark is accredited to carry out parentage tests directed by the civil courts in England and Wales under section 20 of the Family Law Reform Act 1969. Our laboratory in Abingdon, Oxfordshire is accredited to ISO 17025. Cellmark is a UKAS accredited testing laboratory No. 2045 and is certified to ISO 9001, ISO 14001 and ISO 27001 international quality standards.

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Further Grandparent DNA Testing Information

Grandparentage testing can be useful for establishing a relationship in situations where the potential father cannot be tested. It can be used to examine the relationship between a child and a possible grandparent.

Grandparentage testing can be used to establish the paternity of a child when samples can be obtained from the child and from both paternal grandparents (alternatively, should you wish to identify a maternal relationship then both maternal grandparents will be required to provide samples). If however the child, the mother and only one of the paternal grandparents are available, the test will be able to provide a strong indication of whether the child is related to the paternal grandparent (and therefore to the missing father), but it cannot provide a conclusive result.

It is possible to just compare the DNA profile of a child and an alleged grandparent (although we prefer that the mother is tested). This can provide an indication of a relationship but, because of the patterns of DNA inheritance, it will not always reveal the true nature of the relationship. Such an analysis will report the most likely relationship given the DNA evidence. 

Cellmark provides a trusted, court-approved service, delivering accuracy and quality while giving you the reassurance that your testing is in good hands. Our prices start from £324 (+VAT).

Our testing prices include the following - as standard:

  • All sampling kits and the cost of sending them to UK sampling locations.
  • Pre-paid return envelopes to safely transport the samples to our laboratory.
  • The cost of testing the samples once they have been received at our laboratory.
  • Our standard 3-5 working day turn around time.
  • The cost of producing and delivering the final test report.
  • Our advice service for the duration of the case accessible via email or Freephone.

Please note, in addition to the DNA testing cost, you will also need to pay to have the DNA samples taken. Our customer services team can provide full details on how the sampling process works and the costs involved.

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A Heritage in Forensic Science

Established in 1987, Cellmark has four decades of experience in forensic science, DNA testing and specialist laboratory services. As one of the world's leading providers of forensic DNA analysis, we have helped support criminal investigations, legal proceedings and relationship DNA testing through reliable scientific expertise and robust quality standards.

Today, Cellmark continues to deliver trusted forensic services built on a foundation of accuracy, innovation and scientific excellence.

Cellmark Forensic Services

Cellmark Forensic Services