Scientists create a working copy of the gene in a lab and place it inside the vector.
The vector carries the new gene to the targeted location inside the cells.
The vector unpacks the new gene, like taking a letter out of an envelope.
The new gene tells the body how to build proteins to potentially change the way the body functions.
Now that you have had a glimpse of gene addition, 1 type of gene therapy, let’s move on to another type known as gene editing.