In 2003, scientists completed the mapping of the entire human genome. Understanding a human’s genetic makeup allows for all sorts of possibilities, like the cure for diseases. The first use of IVF treatment in 1978, allowed for the prescreening for certain diseases. For example, nowadays the use of preimplantation genetic diagnosis (PGD) allows for the detection of cystic fibrosis, Down syndrome, Tay-Sachs disease, and hemophilia A. This is only the beginning; soon enough parents will be able to pick specific traits that they want passed down. One method of doing this is called germline gene therapy.
This means ...