A chromosome substitution or consomic strain is an inbred strain with one of its chromosomes replaced by the homologous chromosome of another inbred strain. This chromosome Y consomic was created by introgressing the Y chromosome from the 129P2/OlaHsd donor strain into the C57BL/6J host strain. It is intended as a control for C57BL/6J-UtyGt(XS0378)Wtsi Chr Y129P2/OlaHsd/CfdMmjax (MMRRC Stock No. <a href="https://www.jax.org/strain/035588"">067357</a>).

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This Y chromosome consomic was created by substituting the C57BL/6J Y chromosome with the Y chromosome from 129P2/OlaHsd. This strain is intended as a control for C57BL/6J-UtyGt(XS0378)Wtsi Chr Y129P2/OlaHsd/CfdMmjax (MMRRC Stock No. <a href="https://www.jax.org/strain/035588"">067357</a>).

This strain is hosted by NIH's MMRRC, which partners with JAX for the distribution of this and other strains. For additional information and to purchase, please visit the MMRRC site.