Which of the Following is a Property of Shuttle Vectors

Question

Which of the following is a property of shuttle vectors?
A)They contain promoters for the expression of the gene.
B)They have origins of replication for 2 different cell types,usually bacteria and yeast.
C)They are capable of incorporating very large DNA fragments.
D)They contain more than 1 antibiotic-resistant gene.

Accepted Answer

Shuttle vectors have origins of replication for at least 2 different cell types, commonly bacteria and yeast, so that the same vector can be used in either cell type.