But those measures were largely symbolic, because the Government already refused to pay for research involving embryos.

But in cases involving frozen embryos, judges have given equal weight to the father's point of view.

But Congress has imposed a ban on federal financing for research involving human embryos.

Despite a ban on using Federal money for investigations involving human embryos, the research and treatment go on.

These two techniques involve embryos that would not have been lost.

Federal money cannot be used for cloning research involving human embryos, and so the experiments are restricted to the private sector.

They include higher overhead, lack of insurance coverage and the absence of government financing for research involving human embryos.

That falls within the jurisdiction of national governments, as do ethical issues involving embryos.

Research involving embryos in particular is an area where ethics and not technology must determine the limits.