Britain's House of Commons voted 355 to 129 on a complete draft bill authorizing proposals to allow scientists to use hybrid animal-human embryos for stem cell research and clarifying laws that allow the screening of embryos to produce babies with suitable bone marrow or other material for transplant to sick siblings.

Prime Minister Gordon Brown is a strong advocate of stem cell research and says Britain owes it to future generations to support the research. However, opponents warn an easing of laws on creating embryos could lead to the genetic engineering of human beings.

Similar work to create human embryos from animal eggs is also being conducted in China and the United States. Forming animal-human hybrids for research or reproductive purposes is forbidden under Canada's Assisted Human Reproduction Act.

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http://www.cbc.ca/health/story/2008/10/22/britain-stem-cells.html