Recombinant DNA Technology
Isoschizomers recognize

different recognition site and different recognition sequence
same recognition site and recognition sequence
same recognition sequence but different recognition site
same recognition site and different recognition sequence

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Recombinant DNA Technology
Which of the following is correct in terms of determination of location of genetic traits?

None of these
Protein-coding genes are always associated with a restriction pattern
Known protein coding sequences are too far apart to allow linkage determination for most new genes
Restriction sites allow DNAs to be digested

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Recombinant DNA Technology
An expression vector

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

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