Report of the first workshop on the genetic map of bovine chromosome 23

J. E. Beever, H. A. Lewin, W. Barendse, L. Andersson, S. M. Armitage, C. W. Beattie, B. M. Burns, S. K. Davis, S. M. Kappes, B. W. Kirkpatrick, R. Z. Ma, R. A. McGraw, R. T. Stone, J. F. Taylor

Research output: Contribution to journalArticlepeer-review

Abstract

A report of the first workshop on the genetic map of bovine chromosome 23 (BTA23) is given. Five laboratories contributed data from 29 loci, including a total 11586 informative genotypes. The combined pedigrees represented 1930 potentially informative meioses. Eighteen of the 29 loci were common to two or more data sets and were used to construct a framework linkage map of BTA23. Twelve of the 18 could be ordered on the linkage map with a likelihood ratio of greater than 1000:1. Thus, a low resolution consensus map was constructed with a high level of support for order. The sex-averaged, female and male maps span 54-5, 52-7 and 55-8 cM, respectively. Sex-specific differences in recombination frequency were identified for eight pairs of framework loci. Average genetic distance between framework loci on the sex-averaged map is 5·0 cM.

Original languageEnglish (US)
Pages (from-to)69-76
Number of pages8
JournalAnimal genetics
Volume27
Issue number2
DOIs
StatePublished - Apr 1996

Keywords

  • BoLA
  • Bovine
  • Chromosome 23
  • Framework map
  • Genetic linkage
  • Major histocompatibility complex

ASJC Scopus subject areas

  • Animal Science and Zoology
  • Genetics

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