Gene Therapy

question 53

Multiple Choice

Gene therapy

• A) has not yet been used successfully with mammals.
• B) is a surgical technique that replaces defective genes with normal genes.
• C) has been used successfully to treat victims of autosomal dominant disorders by replacing the dominant allele with a recessive allele.
• D) is a genetic engineering technique that replaces defective alleles with normal ones.
• E) is none of these.