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Can DNA testing resolve issues other than parentage?

April 26, 2017dna testing Parentage resolve

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Can DNA testing resolve issues other than parentage?

2 Answers

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Yes. DNA testing can provide information regarding other genetic relationships. Sibship testing can be used to determine if two individuals are siblings (brothers or sisters) and if they have both (full siblings) or only one parent (half siblings) in common. Twin zygosity testing can be done to distinguish between fraternal and identical twins. Grandparentage testing can be done in the event their son is not available to perform a standard paternity test. Other questions related to kinship should be discussed with one of our directors to explain any potential test limitations or to decide the most appropriate family members to test.

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Posted

Yes. DNA testing can provide information regarding other genetic relationships. Siblingship testing can be used to determine if two individuals are siblings (brothers or sisters) and if they have both (full siblings) or only one parent (half siblings) in common. Twin zygosity testing can be done to distinguish between fraternal and identical twins. Grandparentage testing can be done in the event their son is not available to perform a standard paternity test. Other questions related to kinship should be discussed with one of our directors to explain any potential test limitations or to decide the most appropriate family members to test.