General
Online DNA tests ‘extremely unreliable’ at detecting rare disease-causing genetic variations
Taking an online DNA test to find out your ancestry is one thing, but be careful about using them to assess your genetic predisposition to disease.
Key points:
- SNP chips are “extremely unreliable” in detecting rare genetic variants, new research shows
- The technology is popular online, often used by consumers who want to trace their family history
- The number of direct-to-consumer genetic testing-related referrals to clinical genetics services has increased
New research shows the technology widely used in direct-to-consumer genetic tests is more likely to be wrong than right at detecting rare disease-causing genetic variations.
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