Bad news! Apparently more caution is necessary! I was hoping we would soon be able to e.g. remove the sneeze gene permanently! Can you imagine a live without ever having to sneeze?
"A suite of experiments that use the gene-editing tool CRISPR–Cas9 to modify human embryos have revealed how the process can make large, unwanted changes to the genome at or near the target site."
CRISPR gene editing in human embryos wreaks chromosomal mayhem Three studies showing large DNA deletions and reshuffling heighten safety concerns about heritable genome editing.
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