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News Genetics

Editing human germline cells sparks ethics debate

New methods to alter DNA bring science fiction closer to reality

germline editing

ROOTS  Scientists are mulling the ethical implications human germline editing — tinkering with reproductive cells and embryonic tissues like this zygote — while pushing technical boundaries that could make genetically engineered people possible. 

RAJ CREATIONZS/Shutterstock

By Tina Hesman Saey

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