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.
Answer: d
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Answer the following statement true (T) or false (F)
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