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.
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.
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.
What Happens If Multiple DNA Profiles Are Found?
What does it mean if a DNA test finds more than one DNA profile? Mixed DNA results are more common than many people realize. Learn how laboratories interpret multiple DNA contributors and what the results may reveal.
How Long Does DNA Stay on Clothing or Bedding?
How long can DNA remain on clothing or bedding? Biological evidence can sometimes persist longer than many people expect. Learn what affects DNA survival on fabrics and how laboratories analyze these samples.