Abstract
We present here the fine genetic mapping of the proximal part of mouse Chromosome (Chr) 12 between D12Mit54 and D12Mit4. This chromosomal region contains three loci, Pax9, Tcf3a, and Acrodysplasia (Adp), which seem to play an important role in pattern formation during mouse embryogenesis. The Adp mutation, which was created by transgene integration, causes skull, paw, and tail deformities. Pax9, which is expressed in the face, paws, and tail, once qualified as a possible candidate for the Adp locus. We analyzed 997 interspecific backcross progeny for recombination between the markers D12Mit54 and D12Mit4; we recovered 117 recombinants, which were further typed for Pax9, Tcf3a, Adp, D12Mit88, D12Nds1, D12Mit36, and D12Mit34. This study represents the first instance in which all the above loci have been included in a single analysis, thereby allowing unambiguous determination of the genetic order and distance between D12Mit54 and D12Mit4. From our results, we conclude that the Adp locus is distinct from either Pax9 or Tcf3a.
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Watanabe, T., Tarttelin, E., Neubüser, A. et al. Fine genetic mapping defines the genetic order of Pax9, Tcf3a, and Acrodysplasia (Adp). Mammalian Genome 5, 768–770 (1994). https://doi.org/10.1007/BF00292010
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DOI: https://doi.org/10.1007/BF00292010