Genetic security
A bioethical firestorm erupted last week
when Chinese researchers at Sun Yat-Sen University published research in the journal Protein & Cell detailing
how they had tried to use the CRISPR gene-editing tool to change the genomes of
86 human embryos. The team, led by the gene-function researcher Junjiu Huang,
used embryos from IVF clinics that had been double-fertilized, giving them
three sets of genes instead of the usual two. Such triploid embryos cannot
grow into babies.
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