Question

Which statement describes an example of gene therapy?








A.
A virus is used to transfer human DNA into a bacterial cell.







B.
A defective gene is replaced with a normal gene.







C.
DNA banding patterns are used to identify an individual.







D.
The genes for a certain desirable trait are identified.

Answer 1

@january123

Answer 2

I think its B but im not sure

Answer 3

You are correct!

Answer 4

B is correct
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