We have the technology to edit the human genome, cut out parts of it and insert preprogrammed bits of replacement genome.
US pilot study hopes to help doctors choose better drugs and therapies.
The success of gene therapy holds hope for the cure of other inherited life-threatening diseases.
Francis Collins, who helped map the human genome, did not get around to having his own genes analysed until last summer. And he was surprised.
Archbishop Desmond Tutu has become the latest prominent figure to have his full genome deciphered, scientists revealed on Wednesday.
Humans are on top of the food chain, but it was only our capacity for complex thought that allowed us to go forth and prosper, writes Gavin Chait.