CRISPR-Cas9: Harbinger of Human Gene Editing and Its Ethical Turmoil
Last April, a group of geneticists at Sun Yat-sen University in China published a paper describing their attempt to alter the genomes of human embryos using CRISPR-Cas9, a powerful new gene editing technology. The embryos possessed mutant copies of beta-globin, a gene that normally helps produce hemoglobin but in its mutant form causes beta-thalassemia, a…
