Question

Which do scientists use to cut genomic dna into smaller fragments to isolate specific genes?

A) dna ligase
B) recombinant dna
C) restriction enzymes
D) transgenic bacteria

Answer 1

Restriction enzymes

What are restriction enzyme?

Any of a group of enzymes that catalyze the cleavage DNA molecules at specific sites: used for gene splicing in recombinant DNA technology and for chromosome mapping.

The function of restriction enzymes is to destroy any foreign DNA that invades the host cell.

Hence, the answer would be C) Restriction Enzymes