Vectors - The viruses or pathogens that are used in gene therapy to carry the treatment and correcting DNA.
Genes - Characteristics passed on from parents to offspring through genes that are in DNA.
DNA - Self replicating cells that carry the genes and the instructions for the body to make more cells.
Mutation - A disorder in DNA where the DNA is not replicating correctly and causes some health problems like genetic diseases.
Somatic gene therapy - The type of gene therapy where the benefits only effect the person receiving the treatments.
Germ line gene therapy - The type of gene therapy where the benefits of the treatment effect the patient and the generations after.