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Sheep linkage mapping: nineteen linkage groups derived from the analysis of paternal half-sib families.

1994; Oxford University Press; Volume: 137; Issue: 2 Linguagem: Inglês

10.1093/genetics/137.2.573

1943-2631

A. M. Crawford, Grant W. Montgomery, C. A. Pierson, Thelma Brown, K. G. Dodds, Sara L.F. Sunden, Hannah Henry, A J Ede, P. A. SWARBRICK, T A Berryman,

Animal Genetics and Reproduction

Abstract 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.