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Question

Which of the following helps in screening for recombinant cells?


Correct Answer
A
Selection Marker such as antibiotic resistant gene
Your Answer
B
A gene in plasmid that produced human protein
Your Answer
C
A gene that would convert the glucose in the media to fructose
Your Answer
D
All of the above

Solution

The correct option is A Selection Marker such as antibiotic resistant gene
Antiobiotic marker helps in the identification of the cells that have the recombinant DNA in it. The vector that carries the transgene also has a gene for antibiotic resistance that helps the recombinant cell to grow in the antibiotic rich media. Thus the non recombinant cells perish and the selection of recombinant cell is easy.

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