(lo4.16) a polygenic disease would be a bad target for gene therapy because
a. polygenic diseases cause symptoms in too many organs to be treated effectively by changing one gene.
b. many genes would have to be successfully changed to treat the disease.
c. in polygenic diseases the gene mutates each time the affected cells divide by mitosis.
d. the parents as well as the children would have to be treated with gene therapy to treat the disease.