No, DNA analysis is not 100% accurate. While it is highly reliable and considered a gold standard in forensic science, there are instances where errors can occur.
- Human error: Mistakes during the collection, handling, or analysis of DNA samples can lead to inaccurate results.
- Contamination: External DNA from other sources can contaminate a sample, leading to a false positive.
- Limited database: Ancestry DNA tests may not have a comprehensive database, which can limit the accuracy of ethnicity estimations.
- Technical limitations: Some DNA testing methods might have inherent limitations, like the inability to detect rare mutations.
Even though DNA evidence is highly accurate, it's important to remember that it's not infallible.
