Which best describes the first step in genetic engineering? Fragments of DNA that have desired genes are isolated to form recombinant DNA for use in a host.
All the DNA from a desired organism is isolated to form recombinant DNA for use in a host.

1. in a certain species of plant, the color purple (p) is dominant to the color white (p). according the punnett square, what is the probability of and offspring being white? 50%25%0%100% 2. in a certain species of plant, the color purple (p) is dominant to the color white (p). according the punnett square, what is the probability of and offspring being white? 0%100%50%25%(picture 1 is for question 1, and picture 2 is for question 2)