25 MCQs on Selection, Scorable, and Reporter Gene Markers. In gene cloning, selectable markers help identify transformed cells by conferring resistance to antibiotics or herbicides, allowing only these cells to survive. Scorable markers make transformed cells visible through changes such as color, light, or fluorescence. Reporter markers are special scorable markers used to study gene activity, showing when and where a gene is expressed.

Recombinant DNA Technology Lecture notes

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