Which of the following best describes the role of exogenous dna therapy in medical research? a. enhancing and promoting desirable genetic characteristics b. altering genetic makeup and creating new protein products c. providing and establishing new adaptive proteins d. synthesizing new genes and replacing old genes

Need asap plz hurry im being timed when a body cell divides through the process of mitosis, the chromosomes in the daughter cells a. represent only the healthiest chromosomes from the parent cell. b. represent only half of the chromosomes in the parent cell. c. are identical to the chromosomes of the parent cell. d. are formed when chromosomes from the parent cell cross over.