Which statement describes an example of gene therapy?

Question 5 options:

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

A defective gene is replaced with a normal gene.

The genes for a certain desirable trait are identified.

The correct answer is A defective gene is replaced with a normal gene.

Explanation:

Gene therapy is an alternative therapy for the treatment of some diseases.

Although this therapy is still in development, and carries many risks, it is expected to have very good results in the coming years.

In such therapy the following happens:

Given this information we can say that the correct answer is A defective gene is replaced with a normal gene

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