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
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-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

ANSWER DOWNLOAD EXAMIANS APP

Recombinant DNA Technology
Knockout mice are created by

infecting the mouse with a retrovirus
creating a chimera by fusing cells from two different cell lines
mutagenizing a mouse and selecting for mutant offspring
transfecting embryonic stem cells with an altered gene sequence

ANSWER DOWNLOAD EXAMIANS APP

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
None of these
Known protein coding sequences are too far apart to allow linkage determination for most new genes
Restriction sites allow DNAs to be digested

ANSWER DOWNLOAD EXAMIANS APP

Recombinant DNA Technology
An expression vector

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

ANSWER DOWNLOAD EXAMIANS APP