DNA technology is used to find cures for genetic diseases such as Huntington's disease. Which of
these best explains the use of DNA technology in curing genetic diseases with gene therapy?

a. uses medicines to alter the genetic makeup of faulty genes

b. removes the faulty gene and replaces it with a working gene

C. causes mutation in faulty genes by exposing them to high-cnergy radiation

d. removes the faulty gene from the body without replacing it with another gene