Key points from article :
CRISPR can cause more unintended damage than thought.
Enzyme cuts a cell’s DNA and relies on the cell to reconnect.
Can cause large deletions or rearrangements of DNA around the target site.
Fears this kind of damage to DNA could lead to cancer.
Has gone unnoticed as looking for small mutations.
"Changes in the DNA have been seriously underestimated”
The study was published in Nature Biotechnology journal.
