The Department of Health and Human Services, specifically the National Institutes of Health (NIH), is seeking sources for a contract titled "Repository of Mouse Models for Down Syndrome." The objective of this procurement is to produce, potentially acquire, maintain, and distribute mouse models specifically designed for cytogenetic research related to Down syndrome, which involves human trisomy for chromosome 21. These mouse models are crucial for advancing research in genetic disorders and improving understanding of Down syndrome. Interested small businesses are encouraged to reach out to Dana L. Harris at harrisd@mail.nih.gov or Kesha Williams at williamskl@mail.nih.gov for further details, as this opportunity is set aside for total small business participation under NAICS code 541714, with no specified funding amount or deadline mentioned in the overview.