America reportedly has moved ahead in a controversial race to tinker with human DNA -- but the scientific feat is shrouded in unanswered questions.
원문출처 : http://www.cnn.com/2017/07/27/health/crispr-human-embryos-genome-editing-bn/index.html
원문출처 : http://www.cnn.com/2017/07/27/health/crispr-human-embryos-genome-editing-bn/index.html