Originally Posted by MMKB

I'm curious as to how they are actually doing this. Once cells differentiate, it is hard to force them to become anything else. There are various nuclear factors and other proteins within a cell that regulate and maintain a cell's differentiated state. I don't see how these new genes are going to be able to make the various repressor proteins and transcription factors that bind to DNA suddenly disappear or become detached from the DNA.

I'd really need to read the paper, the news article is too vague when it comes to the science behind it.

Originally Posted by DrZaius1

While the embryonic side of the debate, it opens up an entirely new one on eugenics and social engineering.