Recombinant DNA Technology
Knockout mice are created by

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

ANSWER DOWNLOAD EXAMIANS APP

Recombinant DNA Technology
Isoschizomers recognize

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

ANSWER DOWNLOAD EXAMIANS APP

Recombinant DNA Technology
An expression vector

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

ANSWER DOWNLOAD EXAMIANS APP