Recombinant DNA Technology
The transfer of antibiotic-resistant genes from genetically engineered bacteria to disease-causing bacteria __________ .

seems unlikely
can never occur
would be of no concern if it occurred.
has occurred

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Recombinant DNA Technology
An expression vector

always contains an origin of replication
usually contains a gene that confers antibiotic resistance to the bacterial host
always contains DNA segments for the regulation of mRNA production
All of these

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Recombinant DNA Technology
A human cDNA library

contains DNA for specific human proteins
None of these
contains DNA for virtually all of the human proteins in vectors
cannot be used to obtain human genes because it would be radioactive

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