USMLE Step 1 Quiz
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GENETICS
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A newborn screening test for cystic fibrosis is positive. The infant is of Northern European descent. Confirmatory genetic testing is planned to screen for the most common mutation in the CFTR gene, the ΔF508 mutation, which is a specific 3-base pair deletion.
Which of the following molecular techniques is most suitable for rapidly detecting this specific known mutation?
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