Topic: Processes of recombinant DNA technology· Biotechnology and Its Applications

DNA fragments are :

1. Negatively charged

2. Neutral

3. Either positively or negatively charged depending on their size

4. Positively charged

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Answer: 1. Negatively charged

Key idea: DNA has a phosphate group on each nucleotide.

The phosphate groups carry a negative charge, so every DNA fragment is negatively charged, whatever its size. That is why in gel electrophoresis fragments move toward the positive electrode (anode). Answer: (1).

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

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DNA fragments are :

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