According to a report by Reuters, on Wednesday, top scientists and ethicists from seven countries called for a global moratorium on gene editing human eggs, sperm, or embryos that would result in genetically-altered babies. The call for action comes after a rogue Chinese researcher last year announced the birth of the world's first gene-edited twins. News of the twins' birth prompted global condemnation of the work, raising serious ethical questions that include the possibility of 'designer babies' in which embryos could be genetically modified to produce children with more desirable traits. Scientists and ethicists reportedly want to halt genetic alterations of “germline cells” that can then be inherited by others and “could have permanent and possibly harmful effects on the species.”

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