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Relationship DNA Testing Explained: Types of Tests and How They Work

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Relationship DNA Testing Explained: Types of Tests and How They Work

Not every DNA question can be answered with a paternity test. Relationship DNA testing can help determine biological connections between siblings, grandparents, aunts, uncles, and more. Learn how these tests work and when they are used.

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What Does an Inconclusive DNA Test Result Mean?

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What Does an Inconclusive DNA Test Result Mean?

What does an inconclusive DNA test mean? Learn why DNA results may be inconclusive and how likelihood ratios and probability percentages help interpret DNA test results.

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Half Siblings vs Full Siblings: How DNA Tests Tell the Difference

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Half Siblings vs Full Siblings: How DNA Tests Tell the Difference

Are two people half siblings or full siblings? DNA testing can help answer that question by analyzing shared genetic markers. Learn how sibling DNA tests work and what the results can reveal.

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Can DNA Be Tested From Fingernail Clippings?

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Can DNA Be Tested From Fingernail Clippings?

Can fingernail clippings be used for DNA testing? In some cases they can. Learn how DNA can remain on or under fingernails, how laboratories analyze these samples, and what factors affect successful testing.

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Can DNA Be Tested From a Toothbrush?

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Can DNA Be Tested From a Toothbrush?

Did you know a toothbrush can sometimes be used for DNA testing? Saliva left on the bristles may contain enough DNA for analysis. Learn how toothbrush DNA testing works and what factors influence whether testing is successful.

WHAT KIND OF SAMPLES DO I NEED TO PROVIDE?

We primarily use simple oral buccal swabs (cheek cell collection) to collect samples for our quick easy home and legal DNA tests.

Validity Genetics can test from a variety of other types of samples. However, in these cases an extra fee may apply as well as a possible longer turnaround time for sample processing.

How fast can I get my results?

Validity Genetics offers a quick turnaround time of only two business days once received at the lab for all of our standard buccal swab DNA collection tests. We also have rush options available if needed (may not available on some special sample types such as Infidelity Testing).

How accurate are the tests?

Our procedures test for 22 genetic markers and the gender identification marker amelogenin. This ensures you receive 99.99% accurate test results.

A general principle for DNA testing is that the more genetic information available, the greater the precision of the test.

All of Validity Genetics' genetic testing services follow strict and validated procedures for processing samples to guarantee the utmost care of your samples.

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