Can a DNA Test Be Done Without the Father?
What happens if the alleged father is unavailable for DNA testing? In many cases, alternative DNA testing options such as sibling or grandparent testing may help determine biological relationships.
Paternity DNA Testing Explained: How Paternity Tests Work
How does a paternity DNA test work? Learn how DNA is used to determine biological fatherhood, how accurate the results are, and what the testing process looks like.
Bodily Fluid Detection Testing Explained: How Biological Evidence Is Identified
Biological evidence can sometimes remain on clothing, bedding, or other personal items. Bodily fluid detection testing can help identify substances such as semen, saliva, blood, and urine. Learn how these tests work and when they may be used.
Infidelity DNA Testing Explained: How DNA Evidence Can Be Analyzed
Can DNA testing reveal biological evidence of intimate contact? Infidelity DNA testing analyzes clothing, bedding, and personal items for DNA and bodily fluids. Learn how these tests work and what they can reveal.
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.
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.
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.
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.
Can Semen Be Detected After Washing?
Many people wonder whether washing clothing or bedding removes all biological evidence. In some cases, semen may still be detectable even after washing. Learn how semen detection testing works and what factors affect detectability.
How Semen Detection Tests Work
How do semen detection tests actually work? Learn the difference between presumptive screening tests and confirmatory RSID semen detection tests that specifically identify the human protein semenogelin.