Assuming They Could Both Work, What Is the Difference in the Outcomes

Assuming they could both work, what is the difference in the outcomes of somatic versus germ-line gene therapy?

A) Somatic treats adults and germ-line treats fetuses.
B) Germ-line treats adults and somatic treats fetuses.
C) Somatic treats disease and germ-line treats physical defects.
D) Somatic treats an individual. Germ-line treats the individual and all their descendants.
E) Germ-line treats genetic diseases and somatic treats infectious diseases.