Respuesta :

Why is DNA ligase so important in recombinant DNA technology? A. It causes DNA to make multiple copies of itself. ... Transgenic organisms can be made by inserting recombinant DNA into the genome of the host organism

Answer:

it joins two DNA fragments together.

Explanation:

The ligases used in DNA cloning do basically the same thing. If two pieces of DNA have matching ends, DNA ligase can join them together to make an unbroken molecule.