Manipulação genética do sangue - Técnica CRISPR

Cut & paste ao ADN?
http://www.telegraph.co.uk/science/2016/11/20/new-era-of-cut-and-paste-humans-close-as-man-injected-with-genet/

Nova técnica de manipulação genética para tecidos do cérebro, olho e mais

http://www.independent.co.uk/news/science/gene-editing-breakthrough-fix-broken-genes-delay-ageing-cure-incurable-diseases-a7421596.html
Citando:
"The breakthrough – described as a “holy grail” of genetics – was used to partially restore the sight of rats blinded by a condition which also affects humans.
Previously researchers were not able to make changes to DNA in eye, brain, heart and liver tissues."

Como funciona a manipulação genética | BBC Video

Numa altura em que se tentam definir os limites (até onde se deve / pode manipular), a BBC explica como funciona:
http://www.bbc.com/news/health-34974369