Maybe I will become a vegetarian—or is even that safe? I’m starting to have doubts.
Scientists have begun blurring the line between human and animal by producing chimeras—a hybrid creature that’s part human, part animal.
Chinese scientists at the Shanghai Second Medical University in 2003 successfully fused human cells with rabbit eggs. The embryos were reportedly the first human-animal chimeras successfully created. They were allowed to develop for several days in a laboratory dish before the scientists destroyed the embryos to harvest their stem cells.
In Minnesota last year researchers at the Mayo Clinic created pigs with human blood flowing through their bodies.
And at Stanford University in California an experiment might be done later this year to create mice with human brains.
Scientists feel that, the more humanlike the animal, the better research model it makes for testing drugs or possibly growing “spare parts,” such as livers, to transplant into humans.
[…] But creating human-animal chimeras—named after a monster in Greek mythology that had a lion’s head, goat’s body, and serpent’s tail—has raised troubling questions: What new subhuman combination should be produced and for what purpose? At what point would it be considered human? And what rights, if any, should it have?
[…] Last year Canada passed the Assisted Human Reproduction Act, which bans chimeras. Specifically, it prohibits transferring a nonhuman cell into a human embryo and putting human cells into a nonhuman embryo.
[…] Weissman has already created mice with brains that are about one percent human.
Later this year he may conduct another experiment where the mice have 100 percent human brains. This would be done, he said, by injecting human neurons into the brains of embryonic mice.
Will the Supreme Court of Canada of the future find some kind of rights that “flow from” Canada’s Charter of Rights to chimeras? Why not?
PTBC was founded by Mr. Johannesen in 2000.
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