In 2012, scientists discovered a cheap and easy way of editing genes that determine the biological features of all living things, including humans. The method is called Crispr-Cas9, and it exploits the defenses that bacteria have evolved against viral invaders to add or subtract material from an organism's genome. Depending on how this "editing" is done, it can permanently alter the genetic endowment of later generations. A related development called a "gene drive" bypasses the normal pro...
In 2012, scientists discovered a cheap and easy way of editing genes that determine the biological features of all living things, including humans. The method is called Crispr-Cas9, and it exploits the defenses that bacteria have evolved against viral invaders to add or subtract material from an organism's genome. Depending on how this "editing" is done, it can permanently alter the genetic endowment of later generations. A related development called a "gene drive" bypasses the normal pro...
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