Recombinant DNA Technology
Under which of the following conditions would population gene frequencies remain the same?

Selection for homozygotes
Small population size
Random mating
Active migration between groups

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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
An expression vector

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

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