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Genetic Engineering

Arrival of Gene-Edited Babies: What lies ahead?

by Valentina Lagomarsino figures by Sean Wilson Nearly four months ago, Chinese researcher He Jiankui announced that he had edited the genes of twin babies with CRISPR. CRISPR, also known as CRISPR/Cas9, can be thought of as “genetic scissors” that can…

A major obstacle to CRISPR/Cas9 - preexisting immunity

The discovery of CRISPR/Cas9 is one of the biggest scientific breakthroughs in recent memory. This technology, first discovered in microbes, enables the cleaving of DNA in order to remove or replace existing genes. For a crash course into the history of…

Arctic Apples: A fresh new take on genetic engineering

by Allison Baker figures by Lillian Horin The Arctic apple is the juiciest newcomer to produce aisles. It has the special ability to resist browning after being cut (Figure 1), which protects its flavor and nutritional value. Browning also contributes to…