Q. DNA fragments are :
A) Positively charged
B) Negatively charged
C) Neutral
D) Either positively or negatively charged depending on their size
Explanation
[Solution] The phosphate backbone gives DNA a negative charge, which is why it moves to the anode in electrophoresis. Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.