Science · Molecular Diagnostics
DNA samples from a crime scene are amplified using PCR for STR (short tandem repeat) analysis. Which statement regarding this technique is correct?
- 1PCR strictly requires radioactive labeling for any form of detection.
- 2STRs are identical in sequence and length across all individuals.
- 3PCR cannot amplify degraded DNA samples under any circumstances.
- 4STR analysis provides unique DNA fingerprinting for individual identification.✓
Correct answer
STR analysis provides unique DNA fingerprinting for individual identification.
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