Question

To be a cloning vector, a plasmid does not require
a. An origin of replication
b. an antibiotic resistance marker
c. a restriction site
d. to have a high copy number​

Answer 1

Answer:

c is the correct answer

Answer 2

To be a cloning vector, a plasmid does not require d. to have a high copy number​.

Explanation:

• A small segment of DNA into which a desired foreign DNA fragment can be integrated for producing more copies of the desired DNA fragment is called as cloning vector.
• Cloning vectors play a major role in gene cloning process.
• Cloning vectors contain the following:

1. Origin of replication
2. Selectable marker gene (Eg: Antibiotic resistance marker)
3. Unique restriction site

• Hence option d. to have a high copy number​ is not required in a plasmid.