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

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

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Recombinant DNA Technology
The order for the construction of a cDNA fragment from mRNA is to

bind oligo-dC, treat with reverse transcriptase, digest with RNase, add G residues to the 3' end, bind oligo-dT and treat with DNA polymerase
bind oligo-dT, treat with reverse transcriptase, digest with RNase, add G residues to the 3' end, bind oligo-dC, treat with DNA polymerase
digest with RNase, add G residues to the 3' end, treat with reverse transcriptase, add G residues to the 3' end and treat with DNA polymerase
treat with reverse transcriptase, digest with RNase, add G residues to the 3' end, bind oligo-dC, treat with DNA polymerase and bind oligo-dT

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