Aunt-Uncle DNA Test

The avuncular DNA test is done to determine whether there is a relationship between a niece or nephew and his or her alleged aunt or uncles. The test will indicate the probability of relationship between the people tested. The lab cannot perform this test if the aunt / uncle is NOT a full sibling to the alleged father in question.

We strongly suggest including the sample of a known parent to provide stronger results.

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In cases where an alleged father is not available for a paternity test, an avuncular test can be carried out between the alleged father’s child and direct paternal blood relatives. In this case, testing the paternal relatives can indicate whether the alleged father’s child is in fact related to his or her paternal relatives. If there is no relationship between the tested relative and their niece/nephew it would strongly suggest that the untested, alleged father is not the child’s paternal dad.

The genetic profiles will be used to determine the probability of relatedness and from this information they can go on to calculate the avuncular index.

An avuncular test will provide a different rate of inclusion than a paternity DNA test. This is because the amount of common genetic material between uncles and aunts and their nephews and nieces is smaller than that shared between father and child.

Should the participants both be male and allegedly related through the fathers side of the family then a Y chromosome test can be conducted to confirm if they share the same paternal line.

The cost of an avuncular test by homeDNAdirect Ireland is of €299. Your results will be ready within 5-7 working days. You may keep reading about our relationship DNA tests or click on one of the below options to proceed with your avuncular test.

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