The Ti plasmid has been genetically engineered to improve its utility as a cloning vector by all of the following EXCEPT B.genes responsible for resisting infection with

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Quizplus · Accepted Answer

The addition of genes responsible for resisting infection with thuringiensis would not improve the utility of the Ti plasmid as a cloning vector. In fact, it may even hinder its use as a cloning vector, as the addition of extraneous genes can disrupt the cloning process and introduce unintended effects on the host organism. The other choices, including the addition of selectable markers and multicloning sites, deletion of nonessential regions, and retention of essential infection-related genes, are all valid strategies for improving the Ti plasmid's utility as a cloning vector.

The Ti Plasmid Has Been Genetically Engineered to Improve Its