Paternity DNA Testing

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What is a Paternity DNA Test?

This test is used to establish the biological father of an individual.

  • ISO 17025 Accredited/ 100% Accurate and Fast Results
  • Legal Paternity test and Peace of Mind options available
  • When the father is not available to take part in the Paternity test, Y Chromosome tests, Grandparent DNA tests and Sibling DNA Tests, Auntie DNA tests, Cousin DNA test and more are available

What is the Accuracy of the Paternity DNA Test?

At least 99.9999% probability for inclusion (positive result) as a biological father. This result means that a person is at least 1 million times more likely to be the biological parent of the child tested, than an unrelated individual from the same ethnic group. (This relates to a Paternity test which includes the mothers DNA sample).

0% probability obtained when excluded as a biological parent. This result means that there is 0% chance that the person tested is the biological parent of the child.

This DNA test is the Gold Standard for paternity testing. It provides conclusive results and the highest levels of accuracy. However, when the mother of the child is not being tested, the DNA evidence available to the laboratories is decreased. For a positive Paternity test result to be given, the probability of paternity must be very high. In most cases when the mother of the child is tested, this probability of paternity is over 99.9999%. When the mother is not tested, this percentage can decrease to 99.99%, this will also be reported as a positive paternity result as the high percentage practically proves this.

What if the Mother of the child is not being tested?

Getting the most accurate and conclusive result possible for your Paternity test is of the utmost importance to us. We recommend that the biological mother of a child is included in a Paternity test whenever possible and we will even test the mothers DNA for free as it improves the accuracy of the Paternity DNA test result. If you are considering ordering a Motherless Paternity test, please see below:

Are the alleged fathers of a child related?

If the potential fathers of a child are related, you must discuss this with our clinical team. If potential fathers are brothers, father and son, or other relation up to 1st cousin, please see the information below.

Related Father Paternity test – Highly recommended by our experts:

By using the Related Father option for a Paternity test, it eliminates the chance of invalidated results if all potential fathers are not tested. It is still recommended to test all involved parties but is not as necessary, as the test provides more DNA evidence by increasing the number of DNA markers analysed in the paternity test. The Related Father DNA test will also analyse the likelihood of each relationship that potentially exists between the test participants. For example, in the case that the alleged fathers are two brothers, the test will analyse the probability of whether the participants are; father and daughter, uncle and niece, or whether they are more likely to be unrelated. This Related Father paternity test provides evidence of whether the male tested is the biological father of the child, whether he is the uncle of the child – therefore suggesting his brother is the father, or whether it is more likely he is unrelated to the child – suggesting that neither he nor his brother is the biological father of the child tested.

How the Paternity DNA test works

During a DNA Paternity test, a number of genetic locations are analysed in total. A person possesses two (of many possible) alleles at each location. The alleles are identified by a number. These are inherited from the parents at conception. One comes from the mother and one from the father.

Therefore, when the DNA profiles of biological parents are laid out together, one of the child’s alleles (numbers) will match up with a number from the mothers sample and the other should match up with an allele from the father’s sample.

If these alleles match at all locations analysed, a person is included as the biological father of the child because it proves they have passed these genetic markers to the child at conception.

Inconsistencies (locations where there is NO match) will exclude a person as a biological father. This is based on the fact that it is only possible to pass on to your off spring, the alleles which you possess in your own DNA profile.

Our local clinics provide both peace of mind and legal paternity tests...
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Face to face consultation, DNA sampling and support from your dedicated case manager - even if your DNA paternity test is not for legal purposes. Contact DNA Clinics today to arrange an appointment for your paternity test.

A DNA Clinics nurse can visit you either in your own home or a location of your choice...
District Nurse

DNA Clinics have a vast network of registered nurses. This enables us to provide you with flexible sample collection options for your paternity DNA test. This collection service is available for all Paternity tests. Contact DNA Clinics to arrange for one of our nurses to collect your DNA samples for a paternity test.

Paternity DNA test kits sent direct to your home address or overseas...Young White Couple

For individuals who prefer self-collection of DNA samples, then our trusted 'Home-kit' service is ideal for peace of mind paternity testing. Call DNA Clinics to order your paternity DNA test kit, or order a FREE DNA paternity test kit from our on-line store.

Which Paternity Test is right for you?

Peace of Mind Paternity Testing >>>

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Paternity Test for Related Alleged fathers >>>

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Self-Collection Paternity Testing >>>

What to do Next?

  1. Choose your preferred DNA sample collection service.
  2. For all Paternity DNA tests (except on-line DNA Test Kit orders), call FREE from the UK on 0800 988 7107 to organise your appointment.
  3. Attend the appointment to have your DNA samples collected by a fully trained professional.
  4. Your DNA samples are processed in Crystal Healths accredited laboratory.
  5. You will receive your Paternity DNA test results via your chosen method.

Frequently Asked Questions for Paternity Testing

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