Question

A contiguous stretch of dna is formed by a set of two or more overlapping dna fragments. This stretch is termed as

Answer 1

MARK IT AS A BRAINLIST ANSWER ..

Explanation:

The phenomenon of transformation permits plasmid vectors to be introduced into and expressed by E. coli cells. In order to be useful in DNA cloning, however, a plasmid vector must contain a selectable gene, most commonly a drug-resistance gene encoding an enzyme that inactivates a specific antibiotic.