Which best describes the first step in genetic engineering?
A
Fragments of DNA that have desired genes are isolated to form recombinant DNA for use in a host.B
All the DNA from a desired organism is isolated to form recombinant DNA for use in a host.C
Different sections of DNA from a desired organism are inserted into a host so that beneficial traits will be expressed.D
One strand of DNA is isolated and inserted into a host so recombinant DNA can be formed.