Last week, people were talking about the claim from a scientist in China that he edited a gene in two embryos that resulted in genetically altered twins. I asked readers of this newsletter what they thought. I've included a selection of your responses, which have been lightly edited for length and clarity, below. Thank you for writing in, and as always, feel free to send me your thoughts, suggestions and favorite reads from the section at Op-reads@nytimes.com. | "As a medical student, I believe embryonic editing could one day be a fundamental part of modern medicine that helps create healthier and happier humans. But if the 'twins' claim is true, it will be more a shame than a blessing. This was a serious lapse in moral judgment and a disregard for the scientific process; the technique is simply not yet safe for use in embryos. A silver lining: This is a reality check for regulatory bodies. It was only a matter of time until a scientist went rogue with the technology. The likely truth is that embryonic editing will be a reality one day (at least in some parts of the world). The wave is pushing ahead, no stopping it. How do we ensure it advances safely and responsibly?" — Caroline Cherston, N.Y. | "This experiment is one of trillions in the inevitable march of evolution. There are many benefits for future generations. It may seem unsightly now, but this will be seen as a scientific hallmark." — John Meng, Va. | "When Christiaan Barnard did the first heart transplant, we had long discussions about that chirurgical act, which was considered a beginning of a new era. Perhaps it was indeed the beginning of a new way of improving our lives. Now nobody has a problem with that. Idem for the 'in vitro' conception. It's not the first dangerous evolution for the planet and humanity. We have already had other dangerous evolutions such as the atomic bomb, development of viruses, dangerous chemical industries, etc. We have to militate to put borders to those manipulations, but they have to be freely accepted." — Carlo Pellizzari, Brussels | | |
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