But I do not understand why cloning has been singled out for so much attention. Why, for example, would one suggest banning the production of human embryos by nuclear transfer to create stem cells ...

For the first time, an endangered black-footed ferret named Antonia that was cloned from cryogenically-preserved tissue has ...

In examples 1 and 4 of Figure 1, we examined the target region in the parent molecule after ET recombination to determine whether it had been copied into the subclone, or excised from the parent.

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