_____ corrects the genetic defect in an individual with a genetic disorder by _____

a. Enzyme replacement therapy; delivery of a normal gene to affected cells in the body
b. PGD; removing affected cells from an early stage embryo
c. Gene therapy; PGD
d. Gene therapy; delivery of a normal gene to affected cells in the body

e. Chorionic villus sampling; constructing karyotypes from affected cells


d

Biology & Microbiology

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