CBSE 2025 · Region 1 · Set 1 · Q27 · 3 marks
Explain the basis on which gel electrophoresis technique works. Write any two ways the products obtained through this technique can be utilised.
Marking-scheme solution
Negatively charged DNA molecules move towards the anode under electric field through a medium or matrix , DNA fragments separate according to their size through sieving effect /Small sized DNA fragments move faster.Resultant DNA fragments can be utilized :
$\displaystyle \star$ For Recombinant DNA technology
$\displaystyle \star$ In DNA fingerprinting, In Polymerase Chain Reaction
Biotechnology : Principles and ProcessesProcesses of Recombinant DNA TechnologyUnderstandshort_answermedium
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