DNA Relationship Testing

DNA relationship testing can assist to determine whether there really are biological links between relatives. This type of test can be performed between  various relatives, including siblings, grandparents and their grandchild or aunts and uncles with their nieces or nephew.

Why do a DNA relationship test?

Generally, people might opt to do such a relationship test as a means of establishing paternity in cases where the alleged 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.

  • Sibling:
    Siblings DNA test
    Sibling DNA testing is used to determine whether you are half or full biological siblings or not related at all. A known parent is always recommended to be included when possible.
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  • Aunt/Uncle:
    Aunt/Uncle Testing
    An aunt/uncle test can substitute a DNA paternity test. This test is carried out between alleged father’s siblings and the alleged father’s child/children to confirm the biological relationship between them.
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  • Grandparent:
    Grandparentage Test
    Confirms if a biological relation exists between grandparents and grandchild. Commonly used when the alleged father is not available for testing.
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  • Maternity:
    Maternity Test
    To test between an alleged biological mother an child. Often used for immigration testing and in cases when the child was adopted.
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  • Y&X test:
    Y & X Chromosome Testing
    Y-STR Male Lineage DNA test is used to determine if two males share the same paternal lineage. Whilst X chromosome testing is used in cases where two females believe they share the same father.
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  • Twin:
    Twin Zygosity
    The test will establish if twins are identical or fraternal. The test is performed via oral swab samples collected at home.
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  • MtDNA:
    MtDNA Test
    MtDNA test based on the mitochondrial DNA sequence variation that is passed on from females to their offspring. Through this test we can determine if two or more people are related through their maternal lineage
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