Structure:
1. He Jiankui used CRISPR to edit the genomes of twin girls claiming that one is resistant to HIV infection and the other is not.
2. Uncertainty: risks cannot justify the benefits, deactivating CCR5 might leave you vulnerable to other diseases.
3. Government and parents objected to or held unclear attitude towards He Jiankui's action of editing genes of embryos.
4. The idea has been condemned but not been ruled out, which leads to two responses: better oversight of fertility clinics where genome tinkerers lurk, debate about when gene-editing is warranted.
5. Editing one day may be used to not only cure diseases but also enhance genomes with ethical questions coming along.
Exerpts:
1. A Chinese scientist claims to have edited the genomes of two babies.
2. Human's power to control the four-letter code of life has advanced by leaps and bounds.
3. If reproductive cells were affected, any such modifications will be passed on to subsequent generations.
4. Mr He's work appears to have had the scantiest oversight and a vice-minister says it violates regulations.
5. The idea that one scientist could make the leap towards editing reproductive cells has been condemned, but it has not been ruled out.
6. Changes brought about by gene-editing should not increase "disadavantage, discrimation or division in society“ and that such changes should not harm the welfare of the future.
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