What is the purpose of a selectable marker such as the antibiotic-resistance gene ampR? l. Selectable markers...

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Biology

What is the purpose of a selectable marker such as theantibiotic-resistance gene ampR?

l. Selectable markers allow a researcher to identify cellsthat have incorporated the recombinant plasmid.

ll. Selectable markers produce antibiotics, which kill cellsthat have not incorporated recombinant plasmid.

lll. Selectable markers prevent cells that have incorporatedone plasmid from incorporating another.

lV. Selectable markers allow a researcher to identify therecombinant plasmid.

V. Selectable markers are only effective in viralvectors.

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Answer Part I is the correct answer Selectable markers allow a researcher to identify cells that have Incorporated the Recombinant plasmid A selectable marker is a stretch of gene which is incorporated into a plasmid which helps in the maintainence of plasmid within a cell A selectable marker gene gives cell an ability to grow in selective See Answer

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