Recombinant DNA technology and selective breeding are 2 techniques that seek to produce desirable traits within an organism, yet they do so in very different ways. How do the methods of each process differ? What technique wold more reliable in producing the desired outcome? Why?

In trying to determine whether dna or protein is the genetic material, hershey and chase made use of which of the following facts? a) dna contains sulfur, whereas protein does not. b) dna contains phosphorus, whereas protein does not. c) dna contains nitrogen, whereas protein does not. d) dna contains purines, whereas protein includes pyrimidines.