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Y-STR Male Lineage DNA Test

If you would like to find out if you and a male sibling are related through your paternal lineage, you can take a Y-STR Male Lineage test.

  • 100% confidential
  • Results within 5 days
  • Accuracy up to 100%

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DNA tests are able to establish in definitive, scientific terms whether two or more individuals share a biological relationship, such as through their paternal lineage. The tests, which utilise the most up-to-date technology and DNA testing methods, can provide results with an accuracy of up to 100%. The fact that they are so simple to use - requiring only a swab sample from the inner cheeks - means they are an increasingly common option for people to choose, especially if you require the information for legal purposes.

What does the Y-STR DNA test check for?

While other DNA tests analyse the DNA sequences of individuals or form genetic profiles in order to ascertain a biological relationship, the Y-STR test focuses on a single chromosome: the Y chromosome, which is why it is also known as a Y Chromosome test. This chromosome is passed on through paternal lineage from father to son. As it has a comparatively infrequent rate of mutation, it stays the same from one generation to the next. This means that if two male individuals have the same Y-STR DNA profile, they will likely share a common father. If there is no match between the two Y-STR profiles, then it is deduced that the individuals do not have the same father. You should be aware that the test will not distinguish between individuals that have the same paternal lineage.

How does the Y-STR test work?

Y-STR DNA testing is a very simple process, but the way of collecting the samples is different if you require the test results for legal purposes.

Peace of mind Y-STR testing

If you wish to have scientific proof of a shared male lineage for personal rather than legal reasons, then you need to take a peace of mind Y-STR test. This means you can collect the samples in your own home without needing to involve a third party. After you receive the test from HealthExpress, you will need to use the collection swabs provided to collect a swab sample from each cheek. This means you will end up with two swab samples per individual. You will find contained in your testing kit a set of instructions regarding how to collect the samples, which you should read carefully before doing so. Failing to do this could affect the accuracy of the results.

Court approved Y-STR testing

If you are taking the Y-STR Male Lineage test for legal reasons, the samples need to be collected by a GP or other authorised third party professional. The appointment for collection will need to be arranged and the registration forms completed before you visit your doctor to take the test. You will need to take with you to the test two passport-sized photographs of each person who will be sampled for the test, as well as each individual's passport and a utility bill. The sampler will then sign the back of the photograph to verify that it is a true likeness of the person being sampled. After the sampler has collected the samples, they will need to sign the documentation included with the test. The samples and documentation will then be sent to our partner laboratory for testing.

Why should you take the Y-STR test?

If for any reason you require scientific verification of a shared paternal lineage, then the Y-STR Test is the best option for you. The results are highly accurate and the process of collecting samples is painless and straightforward.

Can you buy the Y-STR Test online?

The Y-STR Test is available to buy online here at HealthExpress. Once you have selected whether you require the peace of mind or the court approved Y-STR test, you will be able to complete the ordering process easily online. The Y Chromosome test kit will then be sent to you directly. At HealthExpress, you have a choice of delivery options, including next-day delivery.

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