Biology / Bio 1555 · Atom · ~20 seconds
Genetic Testing
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Genetic testing analyzes an individual's DNA sequence to detect a specific gene variant already known to be associated with a disease.
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A laboratory test can detect whether a sample carries a specific disease-associated sequence variant, distinct from evaluating the person's health directly.
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A genetic test detects only the specific variants it targets, so a negative result does not rule out the disease.