Genetic Testing and Counseling · USMLE Step 1

Which of the following statements about direct-to-consumer (DTC) genetic testing is correct in the context of genetic counseling?

  1. DTC results always fully replace formal clinical genetic testing
  2. DTC testing gives risk data but needs professional interpretation
  3. DTC tests are not actually based on any real DNA analysis
  4. DTC testing reliably guarantees prevention of genetic diseases
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Correct answer: DTC testing gives risk data but needs professional interpretation

While DTC genetic tests can provide information about genetic risk, results may be misinterpreted — professional genetic counseling is recommended to interpret findings correctly and understand limitations and implications.

Difficulty: Medium Question 16 of 20

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