NEET2017Botany-Genetics
NEET 2017 Botany DNA Structure MCQ Question
Type: MCQ-conceptual-Easy-Class 12
DNA fragments are
A
positively charged
B
negatively charged
C
neutral
D
either positively or negatively charged depending on their size
Correct Answer
Option B
Detailed Explanation
DNA fragments are negatively charged due to the phosphate backbone, which is why they move towards the positive electrode in gel electrophoresis.
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