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← ScienceWhich outcome occurs when an endonuclease initiates DNA digestion?
A)Reduced DNA fragment electrophoresis mobility✓
B)Telomere replication origin elimination
C)Enhanced genomic DNA stability repair
D)Preventing reverse transcription initiation
💡 Explanation
Cutting the DNA with an endonuclease initiates DNA digestion via hydrolytic cleavage, and thus shortens fragments. Shorter fragments exhibit increased electrophoresis mobility because their overall size decreases. Therefore, mobility increases, rather than decreasing, as longer fragments offer greater drag.
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