Artificial insemination has been used to produce interspecific mouse hybrids. Mus musculus × Mus cervicolor cervicolor hybrids failed to complete more than a few cleavage divisions but both M. musculus × M. dunni and M. musculus × M. caroli hybrids completed preimplantation development. These hybrid embryos are heterozygous for various X-linked enzymes and may provide a useful genetic system for studying X-chromosome inactivation during early development. Further development of M. musculus × M. caroli hybrids was studied: several completed foetal development; a few survived to maturity but none has yet reproduced.
Development of interspecific hybrids of Mus
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John D. West, William I. Frels, Virginia E. Papaioannou, James P. Karr, Verne M. Chapman; Development of interspecific hybrids of Mus. Development 1 October 1977; 41 (1): 233–243. doi: https://doi.org/10.1242/dev.41.1.233
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