An antibiotic resistance gene in a vector usu | vedclass

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(D) In recombinant $DNA$ technology,a vector contains an antibiotic resistance gene (selectable marker) that allows for the identification and elimina

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Both $(b)$ and $(c)$

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(D) In recombinant $DNA$ technology,a vector contains an antibiotic resistance gene (selectable marker) that allows for the identification and elimination of non-transformants. When a foreign $DNA$ fragment is inserted into the vector,it often disrupts the antibiotic resistance gene (insertional inactivation). This allows researchers to distinguish between transformed cells (those that have taken up the plasmid) and non-transformed cells,and further distinguish between recombinant cells (those containing the foreign $DNA$) and non-recombinant cells (those containing the original vector).

An antibiotic resistance gene in a vector usually helps in the selection of

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