Which Vector Would Be Most Useful If DNA Fragments of About

Question

Which vector would be most useful if DNA fragments of about 4 kb are to be cloned?
A)plasmid
B)cosmid
C)YACs (yeast artificial chromosomes)
D)bacteriophage lambda

Accepted Answer

Plasmids are ideal for cloning small DNA fragments, typically up to 10 kb, making them suitable for cloning DNA fragments of about 4 kb.