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

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

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

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

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Recombinant DNA Technology
Isoschizomers recognize

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

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

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
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
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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