[link to olpa.od.nih.gov]
S. 659—The Human Chimera Prohibition Act of 2005

On March 17, 2005, Senator Sam Brownback (R-KS), introduced S. 659, the Human Chimera Prohibition Act of 2005. The bill would prohibit any person from creating, or attempting to create a human chimera. A “human chimera” is broadly defined to include various methods of mixing non-human cells into human embryos. The bill includes both civil and criminal penalties. S. 659 has no cosponsors and was referred to the Senate Judiciary Committee.