Author Focus

Sasitaran Iyavoo

Senior DNA Scientist and Lab Manager

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Identical Twins and DNA: Are Their Genes 100% the Same?

Published 17/10/2025

In the UK, roughly 12,000 sets of twins are born every year, and about one-third are identical. At AssureDNA, we’re often asked whether identical twins share exactly the same DNA — and whether a DNA test could ever tell them apart.

How Long Does It Take for a DNA Test to Come Back? Processing Times Explained

Published 17/10/2025

At AssureDNA, we've streamlined our DNA testing process to ensure fast, discreet results are delivered directly to you when you need them. That said, the time it takes to receive your results can vary depending on several factors. To help you better understand the process, we've created a guide that explains the order process and how long you can expect to wait to receive your at-home DNA test results.

Sibling DNA Testing: How It Works & When You Need It

Published 14/08/2025

When you need answers about biological relationships, a sibling DNA test can provide the clarity you’re looking for. This test helps determine whether two individuals share one or both biological parents — especially useful when the alleged father or mother is unavailable for direct testing. At AssureDNA, we make the process simple, discreet, and accurate, with results typically ready within the next working day from receiving your samples.

Why Some DNA Tests for Relationships Are Inconclusive

Published 08/07/2025

If you’ve taken a sibling DNA test, aunt/uncle (avuncular) DNA test, or a grandparent DNA test, you might expect a simple "yes" or "no" answer. But relationship testing works a little differently. Instead of giving a binary result, these tests use a statistical approach called a likelihood ratio, which calculates how much more likely the tested relationship is—compared to the individuals being unrelated.

Paternity Fraud: How It Happens

Published 23/04/2025

Paternity fraud is a massive issue and can be front page news! Globally, paternity fraud rates vary. In the UK, the average rate of cases is 1.6%, whereas in countries like Nigeria and Jamaica, the rates average 30% and 34.6%, respectively.

Non-invasive Prenatal Paternity Tests: How Does It Work?

Published 07/01/2025

At AssureDNA, we often hear a surprising question when it comes to prenatal paternity testing: “How do you swab an unborn child?” “Is prenatal testing dangerous for my baby?” or “What are the risks of a prenatal test?” It’s an understandable query – after all, cheek swabs are a hallmark of DNA testing, and you can’t get a swab in the womb.