Question

How does gene therapy affect a cell?

A.
Cells with normal genes are replaced with cells of defective genes.

B.
Cells with defective genes are replaced with cells of normal genes.

C.
Cells with functioning genes are replaced with mutated genes.

D.
Cells with abnormal genes are replaced with cells of destructive genes.

Answer 1

@thelillylouwho its B . In gene therapy we cure gene

Answer 2

I would say C.

Answer 3

Ops @Daezo is correct .
its C
Gene therapy is the use of DNA as a drug to treat disease by delivering therapeutic DNA into a patient's cells. The most common form of gene therapy involves using DNA that encodes a functional, therapeutic gene to replace a mutated gene

http://en.wikipedia.org/wiki/Gene_therapy