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Siblings DNA test

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If you have any doubts as to whether you and your siblings share a common biological parent, then a siblings DNA test is the test you need. We recommend doing a sibling DNA test as an alternative to a paternity test, generally when the alleged parent is not available for testing. A siblings test is ideal in instances where male and female siblings are involved in the same DNA test.

Grandparents DNA Test

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A grandparentage DNA test is used to confirm the biological relationship between grandparents and grandchildren. homeDNAdirect UK offers grandparentage DNA test starting from only £249. This price includes testing of both grandparents and 1 child. Your results will be emailed to you within 5-7 working days.

Aunt/Uncle DNA Test

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An avuncular DNA test involves testing the aunts and/or uncles with their nieces and/or nephews to indicate a biological relationship between the tested parties. In cases where the father is not available for testing, testing his relatives can tell you whether the child, whose paternity is in question, is the biological child of the alleged, untested father.

Genetic Reconstruction Test

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Do you need to establish the paternity of a child but are unable to carry out a paternity test? In such cases, a genetic reconstruction test is a great way of establishing paternity without the need to directly include the father’s DNA sample.

Maternity DNA Test

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Maternity DNA testing scientifically proves the biological relationship between mother and child. The results of a maternity test are definite, providing you with a 99.99% accurate result in cases where the tested mother is the biological mother and a 0% probability if she is unrelated to the child. A Maternity test is done in the exact same way as a paternity test and the result is equally accurate.

Mitochondrial DNA testing

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The MtDNA test takes a segment of your MtDNA (mitochondrial DNA) and compares it with other tested individuals to determine whether they share the same MtDNA profile. A match betwee MtDNA profiles means that the tested parties share a common maternal line.

Twins DNA Test

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Twin DNA testing will determine if your twins are identical (monozygotic) or fraternal (dizygotic). homeDNAdirect provides you with a result that is 100% accurate. Results of your twin DNA test will be ready in just 5-7 working days from receipt of samples at the laboratory

Y Chromosome Test

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Males wishing to scientifically establish if they share the same paternal line can carry out a Y chromosome test. The Y chromosome is found solely in males and is inherited from the father and passed down the male line. The Y chromosome test, sometimes called a Y-STR test, can thus be useful in establishing whether two or more males have the same paternal line.

X Chromosome Test

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An X chromosome test can be used between females who wish to know if they have the same father. In many cases the test is done between sisters who may be unable to carry out a paternity DNA test if the father is deceased or unwilling/unable to be tested.

 

FAQs

Why carry out a relationship test?
Generally, relationship DNA testing is a means of establishing paternity in cases where the father is not available and therefore, a straightforward paternity test is not an option. In such cases a grandparentage test or an avuncular DNA test can substitute a paternity DNA test. Siblings may also do a sibling DNA test, which will establish the extent of the sibling relationship: half siblings, full siblings or not siblings. The below are the relationship DNA tests we offer. This said, no relationship test will provide the same conclusive results that can be given in a home paternity test.
What will the results of a relationship test tell me?

What will the results of a relationship test tell me?

This is not a clear-cut question with a single answer as different tests will give you different answers and not all tests are equally accurate. Some tests might just give you a probability of relationship and others might give you a definite yes you are related result. Again, for more information and details about any of our DNA tests, you can contact our team who will give you all the information you need.

How do I go about deciding on the type of test to carry out?

How do I go about deciding on the type of test to carry out?

When you look through our range of relationship testing services, you will probably immediately know which one you require as soon as you skim the first sentence. However, we can give you 2 basic questions to help you decide on your test:

  • What do you want to establish?
  • Who is available for testing?

What you wish to establish refers to what you hope to find out with the DNA test result. Have a clear question in mind, for example “I want to know if this woman is my biological grandmother” or “I want to find out if my brother and I share the same father”. This will help decide if you need a siblings DNA test, avuncular test etc.

Who is available for testing is crucial and an often overlooked factor when deciding on a relationship test. You may want to know whether you and your brother share the same father but is your brother willing to submit his sample? homeDNAdirect suggests you contact our customer support team to help you decide on the best relationship test.

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