a. To introduce new genes into an organism
b. To remove unwanted genes from an organism
c. To modify the expression of existing genes
d. To study the function of genes
Answer: c. To modify the expression of existing genes
a. To introduce new genes into an organism
b. To remove unwanted genes from an organism
c. To modify the expression of existing genes
d. To study the function of genes
Answer: c. To modify the expression of existing genes