01:32Science In ActionGene Editing ControversyBBC World Service Duration: 27 minutes Mon 3rd Dec 2018, 01:32 on BBC World Service East and Southern AfricaAvailable for over a yearListen nowA researcher in China claims to have modified the genes of two baby girls Show more GenresFactualScience & NatureFormatsMagazines & ReviewsBrandScience In Action Source: BBC Online