“UK scientists have been given the go-ahead by the fertility regulator to genetically modify human embryos. It is the first time a country has considered the DNA-altering technique in embryos and approved it… But the field is attracting controversy over concerns it is opening the door to designer—or GM—babies… In a world-first last year, scientists in China announced they had carried out gene editing in human embryos to correct a gene that causes a blood disorder” (BBC, February 1, 2016).