Home Biology Biotechnology Principles and Processes NCERT During gel electrophoresis for separation of…
Biology Biotechnology Principles and Processes NCERT Single Correct MCQ
Published on: August 13, 2026

During gel electrophoresis for separation of DMA fragment

A
Smallest fragment will move to the farthest point towards cathode
B
Smallest fragment will move to the farthest point towards anode
C
Largest fragment will move to the farthest point towards cathode
D
Largest fragment will move to the farthest point towards anode

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The correct answer is:
B

DNA is negatively charged due to its phosphate backbone, so during gel electrophoresis it moves toward the positive electrode (anode). Smaller DNA fragments move faster and therefore travel the farthest.

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