Zoology-Recombinant DNA

NEET Zoology Recombinant DNA MCQ Question

Type: MCQ-numerical-Medium-Class 12

During gel electrophoresis, DNA fragments are separated based on their size. If a DNA fragment of 500 base pairs (bp) and another of 1000 bp are subjected to electrophoresis on an agarose gel, which fragment will migrate further towards the anode?

A

500 bp

B

1000 bp

C

Both migrate equally

D

Neither will migrate

Correct Answer

Option A

Detailed Explanation

According to the NCERT text, DNA fragments separate based on size, with smaller fragments migrating further during gel electrophoresis. Therefore, the 500 bp fragment will migrate further than the 1000 bp fragment.

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