Validity Genetics

10/27/2026

Can a paternity test be negative even when DNA markers match? Learn why some markers match, what 0% probability means, and how to read your results.

07/09/2026

Ever find a stain and wonder what it is or who it is from? Learn how RSID Blood confirmatory testing detects glycophorin A to help identify the presence of human blood on an item.

Learn how blood detection testing works, what RSID Blood testing detects, and how confirmatory testing helps identify the presence of human blood on clothing and other items.

07/07/2026

Saliva Detection can be a powerful tool. Learn how RSID Saliva confirmatory testing detects the human-specific protein alpha-amylase to help identify saliva on an item.

Learn how saliva detection testing works, what RSID Saliva testing detects, and how confirmatory testing helps identify the presence of saliva on clothing and other items.

07/03/2026

Understanding DNA Results. What does an inconclusive infidelity DNA test result mean? Learn why inconclusive results occur and what factors can affect DNA analysis and interpretation.

Learn what causes an infidelity DNA test to be inconclusive, what inconclusive results mean, and the factors that can affect DNA testing outcomes.

07/02/2026

Please note that our office will be closed on Friday, July 3, 2026, in observance of the Independence Day holiday, as Independence Day falls on Saturday, July 4 this year.

Please note that our office will be closed on Friday, July 3, 2026, in observance of the Independence Day holiday, as Independence Day falls on Saturday, July 4 this year.

07/01/2026

After testing a sample, what happens when a DNA test finds no DNA? Learn why DNA may not be recovered from a sample and what factors can affect DNA testing results.

Learn what it means when no DNA is found during testing, what factors can affect DNA recovery, and why a negative result does not always mean biological material was never present.

06/26/2026

Learn whether saliva can be detected on clothing, how saliva transfers to fabrics, and the factors that affect the ability to identify saliva on an item.

Learn whether saliva can be detected on clothing, how saliva transfers to fabrics, and the factors that affect the ability to identify saliva on an item.

06/24/2026

What does it mean if a DNA test finds more than one contributor? See how mixed DNA profiles are analyzed and what these results may indicate.

Learn what it means when multiple DNA profiles are found in a sample, how mixed DNA results are interpreted, and what this may indicate.

06/18/2026

How accurate are infidelity DNA tests? Learn how semen detection and DNA comparison testing work, and what factors can affect the reliability of results.

Learn how accurate infidelity DNA tests are, including semen detection reliability, DNA comparison testing, and factors that affect results.

06/16/2026

What do infidelity DNA test results actually show? Learn how to read semen detection findings, DNA profiles, and comparison results from real lab reports.

Learn what infidelity DNA test results look like, including semen detection findings, mixed DNA profiles, and how to interpret DNA comparison results.