A ________ is a combination of a plasmid vector and phage λ.
A) contig
B) artificial chromosome
C) cosmid
D) positional clone
E) transposable element

Question

Quizplus · Accepted Answer

A cosmid is a hybrid vector that combines the elements of both a plasmid vector and a phage λ vector. The cosmid has the replication origin, selectable marker, and cos sites of the plasmid vector, while also containing the lambda phage cos site, which allows for packaging of the DNA into a phage head for efficient transfer into bacterial cells.

A ________ Is a Combination of a Plasmid Vector and Phage