Inherited diseases can be treated by replacing faulty genes.
Therefore, the correct answer is Option a: by replacing faulty genes.
What is gene therapy?
- Gene therapy is an approach that deals with treating or preventing a disease by correcting the underlying genetic defects.
- Gene therapy works by replacing a faulty gene or addition of a new gene in an attempt to cure disease or improve the body's ability to fight disease.
- These days gene therapy is employed for treating a wide range of diseases, like cancer, cystic fibrosis, heart disease, diabetes, hemophilia and AIDS by correcting the underlying problem from the gene itself.
- Using gene therapy, the cells can be modified in vivo (inside) as well as in vitro (outside the body).
- Gene therapy is a rapidly evolving field to treat various diseases.
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