Science and Technology · Biology
Which of the following best defines cell-free DNA (cfDNA)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The full genetic sequence found exclusively within viral particles.
- 2Synthetic genetic strands synthesized completely in a laboratory setup.
- 3Small fragments of non-encapsulated nucleic acids released into extracellular body fluids.✓
- 4DNA strands tightly bound within the nucleus of healthy cellular tissue.
Correct answer
Small fragments of non-encapsulated nucleic acids released into extracellular body fluids.
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