By Laura Hercher
April 6, 2015
The DNA Exchange
For decades we have speculated about what it might mean to be able to change the genes of an embryo. Not to be able to treat disease, or to prevent disease, or even to generate extra embryos in order to pick the best of the litter, but to get in there, to insert ourselves into the process by adding variation that nature in its evolutionary wisdom, has not made available. Germline engineering, it is called by some. Tampering with humanity, by others. Playing God…
