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119-hr-2161119th Congress

Human-Animal Chimera Prohibition Act of 2025

Sponsored By: Representative Smith, Christopher H. [R-NJ-4]

Introduced

Summary

This bill would prohibit the creation, transfer, or receipt of certain specified human–animal chimeras, and it defines ten categories of embryos or organisms that would be covered. It would also set criminal and civil penalties and carve out limited research exceptions for some transgenic and transplant activities.

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  • Researchers and labs: Experiments that create embryos or organisms matching the bill's ten listed categories would be banned, and a "human embryo" is defined as an organism from 1 cell up to 8 weeks of development.
  • Individuals and companies that create, transfer, transport, or receive covered chimeras would face criminal penalties of up to 10 years in prison and civil penalties equal to the greater of $1,000,000 or twice any gross financial gain.
  • Transgenic model scientists and clinicians who transplant human organs, tissues, or cells into animals would still be allowed to operate when those activities do not meet the bill's prohibited definitions.

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Bill Overview

Analyzed Economic Effects

1 provisions identified: 0 benefits, 1 costs, 0 mixed.

Criminal ban on human–animal chimera research

If enacted, this would make it a federal crime to create, move, or receive certain human–animal chimeras. It would also ban transferring a human embryo into a nonhuman womb, or a nonhuman embryo into a human womb. The rule would apply to knowing acts in or affecting interstate commerce. Violations could bring fines, up to 10 years in prison, or both. If someone profits, a civil fine would apply: the greater of $1,000,000 or twice the gross gain. It defines a human embryo as a Homo sapiens organism from one cell up to 8 weeks. Research using animals with some human genes, or transplanting human organs, tissues, or cells into animals, would still be allowed if not otherwise covered by the ban. The rules would take effect upon enactment.

Sponsors & CoSponsors

Sponsor

Smith, Christopher H. [R-NJ-4]

NJ • R

Cosponsors

  • Rep. Harris, Andy [R-MD-1]

    MD • R

    Sponsored 3/14/2025

  • Rep. Miller, Mary E. [R-IL-15]

    IL • R

    Sponsored 3/14/2025

  • Rep. Aderholt, Robert B. [R-AL-4]

    AL • R

    Sponsored 3/14/2025

Roll Call Votes

No roll call votes available for this bill.

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