# Plain Language Summary: Human-Animal Chimera Prohibition Act of 2021

This bill makes it a federal crime to create or use human-animal chimeras—which are organisms that contain both human and animal cells or genetic material mixed together. The law would prohibit scientists and researchers from deliberately combining human and animal biological material in ways that could create creatures with human brain cells, human reproductive organs, or other human characteristics in animal bodies. Anyone who violates this prohibition could face criminal penalties.

The bill is designed to prevent certain types of controversial scientific experiments that have raised ethical concerns. For example, it would stop researchers from creating animals with human brain tissue that might develop human-like intelligence, or animals with human reproductive systems. These kinds of experiments have been subjects of intense debate in the scientific and medical communities because people worry about the moral implications of blurring the line between human and animal life.

The practical impact is that it would restrict what kinds of biological research scientists can legally conduct in the United States. Researchers working in genetics, stem cell biology, and medical research would need to ensure their work doesn't cross the lines defined in this law. However, the bill likely includes exceptions for certain medical research that's considered acceptable—such as growing human organs in animals for transplant purposes—though the specific details of those exceptions would depend on how the law is written and interpreted. This is primarily a law that affects the scientific research community rather than everyday citizens, though it reflects broader societal decisions about what kinds of scientific experiments we're comfortable allowing.

Human-Animal Chimera Prohibition Act of 2021

Braun, Mike

Human-Animal Chimera Prohibition Act of 2021 This bill establishes new federal crimes related to conduct involving certain types of human-animal chimeras. The term human-animal chimera means an organism that, from an early stage of development, contains human and nonhuman parts. This bill makes is unlawful to <ul> <li>create or attempt to create a prohibited human-animal chimera,</li> <li>transfer or attempt to transfer a human embryo into a nonhuman womb,</li> <li>transfer or attempt to transfer a nonhuman embryo into a human womb, or</li> <li>transport or receive for any purpose a prohibited human-animal chimera.</li> </ul> A violator is subject to civil and criminal penalties.