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Updated: Jul 27, 2026
14:49
Associated Chromosome Trap for Identifying Long-range DNA Interactions
Published on: April 23, 2011
Comprehensive linkage map of bovine chromosome 11
E Casas1, G L Bennett, C D Bottema
1USDA-ARS, U.S. Meat Animal Research Center, Clay Center, USA. casas@email.marc.usda.gov
Animal Genetics
|June 26, 2001
Summary
This study presents a detailed bovine chromosome 11 (BTA11) linkage map, constructed from extensive genotypic data. The map provides a valuable resource for understanding cattle genetics and breeding.
Area of Science:
- Animal Genetics
- Genomics
- Chromosomal Mapping
Background:
- The International Society of Animal Genetics (ISAG) Bovine Chromosome 11 (BTA11) Workshop aimed to consolidate genotypic data.
- Accurate genetic maps are crucial for livestock breeding and understanding chromosomal organization.
Purpose of the Study:
- To construct a high-resolution consensus genetic linkage map for Bovine Chromosome 11 (BTA11).
- To integrate data from multiple laboratories for a comprehensive BTA11 map.
Main Methods:
- Genotypic data from six laboratories were analyzed.
- A total of 26,199 informative meioses and 80 loci were utilized.
- A consensus linkage map was built using loci typed by at least two independent laboratories.
Main Results:
- A sex-averaged consensus map of BTA11 was constructed, spanning 128.9 centimorgans (cM).
- The female map measured 101.2 cM, and the male map measured 129.8 cM.
- A comprehensive sex-averaged map reached 134.2 cM, with an average inter-locus distance of 1.72 cM.
Conclusions:
- The collaborative effort successfully generated a robust genetic map for BTA11.
- This detailed map serves as a foundational resource for future bovine genetic research and marker-assisted selection.
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