Stiff opposition to the technique is likely from critics of embryo research who fear the creation of designer babies.

对这种技术的强烈的反对有可能来自于胚胎研究的批评家们，他们担心这种设计婴儿的出现。

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The basic techniques of human embryo creation that Dr. Edwards pioneered form the technical foundation of in vitro fertilization, human cloning techniques, genetic screening of human embryos and embryonic-stem-cell research.

WSJ: Test-Tube Baby Pioneer Robert Edwards Wins Nobel Prize for Medicine

For supporters of embryo research the creation of hybrid embryos is a small but significant move forward.

BBC: UK's first hybrid embryos created

Arlen Specter of Pennsylvania, told his colleagues that calls for quick legislative action were unwarranted because there wasn't a clear enough understanding of the process that led to the reported creation of the cloned embryo.

CNN: Democrat blocks Senate debate of cloning ban