Genetics, Vol 137, 573-579, Copyright © 1994


INVESTIGATIONS

Sheep Linkage Mapping: Nineteen Linkage Groups Derived From the Analysis of Paternal Half-Sib Families

A. M. Crawford, G. W. Montgomery, C. A. Pierson, T. Brown, K. G. Dodds, SLF. Sunden, H. M. Henry, A. J. Ede, P. A. Swarbrick, T. Berryman, J. M. Penty and D. F. Hill
AgResearch Molecular Biology Unit, Department of Biochemistry and Centre for Gene Research, University of Otago, Dunedin, New Zealand

Nineteen linkage groups containing a total of 52 markers have been identified in the sheep genome after typing large paternal half-sib families. The linkage groups range in size from 2 markers showing no recombination to a group containing 6 markers covering approximately 30 cM of the sheep genome. Thirteen of the groups have been assigned to a sheep chromosome. Three groups contain markers from bovine syntenic groups U2, U7 and U29, and one other group contains a marker that has been mapped only in humans. The remaining three groups are unassigned. This information will provide a useful foundation for a genetic linkage map of sheep.


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S M Galloway, V Hanrahan, K G Dodds, M D Potts, A M Crawford, and D F Hill
A linkage map of the ovine X chromosome.
Genome Res., August 1, 1996; 6(8): 667 - 677.
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