Which of the following bases is not present in dna?
a. thymine
c. guanine
b. cytosine
d. uracil user: scientific research is being used to determine different processes that can be used in the treatment of genetic diseases. one method that is currently under study by medical researchers is the use of gene therapy to treat genetic defects. which of the following is an example of a disease that might be treated using gene therapy?
a. cystic