The current status of gene therapy is:

The current status of gene therapy is:
  a. it is currently being used effectively to cure cystic fibrosis.
  b. it has been terminated because clinical trials have shown that it is ineffective.
  c. it is being evaluated to assess the risks associated with potential side effects.
  d. the number of clinical trials is increasing at an almost uncontrolled rate.
  e. that it may be considered in the future, but currently the technology is not available.

Question 2

Gene therapy is:
  a. replacing all mutant alleles in body cells.
  b. replacing poor copies of alleles with normal alleles.
  c. replacing a mutant allele in certain body cells with a normal allele.
  d. repairing mutant alleles in certain body cells.
  e. improving gene expression in key body cells.