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SCIENCE FRICTION: HYBRID EMBRYOS STIR CONTROVERSY - (Print)
Rapid advances in the field of biology have prompted lawmakers to consider creating guidelines to regulate experiments involving animal-human hybrids. As politicians debate the ethical and moral issues, scientists continue to explore uncharted territory, with each step forward prompting the question: how far is too far?
Animal-human hybrids were once purely the stuff of science fiction, however fiction has become reality. Scientists have created sheep that possess human hearts and livers, pigs that have been born with human blood, and a variety of other creatures whose genetic makeup has been tampered with. Biologists call these hybrid animals chimeras. They are named after a mythical Greek creature that was said to possess a lion's head, a goat's body, and a serpent's tail.
In recent years cross-species experimentation has become more widespread. Scientists at Newcastle University recently created Britain's first ever human-animal hybrid embryos. Researchers inserted human DNA from a skin cell into cow eggs from which the genetic information had been removed. The human-cow hybrid embryos will be used for stem cell research.
The Yuck Factor
The frightening reality is that there are not currently any federal guidelines to regulate chimeric experiments. Researchers have been left alone to regulate themselves, but there seems to be no consensus within the scientific community over what is and is not considered ethical.
Moral objections to chimeric research are often dismissed by proponents as simply knee-jerk reactions based on instinctual, rather than logical, thinking. These misgivings are sometime referred to by scientists as the "yuck factor." Unfortunately, many researchers describe the "yuck factor" as though it were an obstacle to scientific discovery, instead of evidence of a troubled conscience.
Exploring these new frontiers of science and medicine without the guidance of a strong moral compass will lead us into an ethical quagmire with dangerous repercussions. Without some kind of clear guidelines, we risk adopting a form of logic that would leave us tempted, not only to ponder, but also to do the unthinkable.
We are embarking upon an enterprise unlike anything undertaken before. The avalanche of advances in the current biotech revolution is both exciting and frightening. The promise of new remedies and cures in many diverse fields of medicine has given new hope to those who suffer from diseases like diabetes and Parkinson's. Meanwhile science continues to outrun lawmakers. The biotech revolution has produced a host of ethical questions that have yet to be answered. These questions strike at the very heart of what it means to be human. To learn more about this topic, click on the links below.
Related Links:
http://www.lifesitenews.com/ldn/2008/apr/08042504.html
http://ap.google.com/article/ALeqM5jayE9Ru_1pu1_b3RQuKGszU6409QD90KBJH00
http://www.khouse.org/strategic_trends/pestilence/
http://www.guardian.co.uk/science/2...h.ethicsofscience?gusrc=rss&feed=networkfront
